Abstract: A touch screen panel includes a display unit including a timing controller for receiving a vertical synchronizing signal and a horizontal synchronizing signal to display an image, a touch sensing unit including driving electrodes, a control signal generator for generating a control signal from the vertical synchronizing signal and the horizontal synchronizing signal, and a touch controller for supplying a driving signal to the touch sensing unit in response to the control signal from the control signal generator.

Abstract: A method of economically manufacturing display devices having a matrix of drivable pixels arranged in rows and columns arranged to be driven by IC drivers, including the steps of including a plurality of sensor signal lines in the display device that are selectively connectable to certain of the pixel rows, a plurality of sensor signal lines selectively connectable to certain of the pixel columns, transmitting test signals to test predetermined ones of the rows and columns of pixels, and connecting pixel driving circuits to those display devices exhibiting uniform pixel brightness in response to the test signals.

Abstract: In a light sensor test unit, a test circuit is built in a display panel and connected to an output node of a light sensor which senses an intensity of an external light. When external light having a predetermined intensity is provided to the light sensor, the test circuit outputs a driving signal in response to a sensing signal output from the output node. A test pixel part includes pixels selected from a plurality of pixels arranged in the display panel and receives the driving signal from the test circuit to display a gray-scale corresponding to the driving signal. A brightness measurer measures a brightness corresponding to the gray-scale displayed in the test pixel part to compare the measured brightness with a predetermined brightness, thereby testing whether the light sensor built in the display panel is normally operated.

Abstract: An LCD with an integrated touch screen panel includes a first substrate having a plurality of pixels formed thereon, wherein each pixel of the plurality of pixels is provided with a thin film transistor and a pixel electrode. A second substrate facing the first substrate, having a plurality of common electrodes formed inside thereof. The plurality of common electrodes is arranged in a first direction to correspond to the plurality of pixels. A plurality of sensing electrodes is outside of the second substrate and arranged in a second direction intersecting the first direction. A liquid crystal layer is between the first and the second substrates. A common electrode driver sequentially supplies a driving signal to the common electrodes and supplies a compensation signal having a phase opposite to the driving signal to the common electrodes.

Abstract: A flat panel display with built-in touch sensors includes a first substrate having a plurality of gate lines extending in a first direction and a plurality of data lines extending in a second direction and crossing the gate lines, and a plurality of pixels respectively formed in regions defined by the gate and data lines. A second substrate is joined together with the first substrate with a liquid crystal layer interposed therebetween. A plurality of touch sensors are at positions adjacent to the respective pixels between the first and second substrates. Each of the touch sensors includes a conductive column spacer on the second substrate, a semiconductor layer in a region on the first substrate, corresponding to the conductive column spacer, and first and second electrodes respectively overlapped with the semiconductor layer in regions at both ends on the semiconductor layer.

Abstract: A liquid crystal display (LCD) with an integrated touch screen panel includes a plurality of pixels connected to a plurality of data lines and a plurality of gate lines, the gate lines being divided into a plurality of groups, a plurality of sensing electrodes, a plurality of common electrodes divided into a plurality of groups, a common electrode driver configured to simultaneously supply a driving signal to common electrodes within each group of the plurality of groups of the common electrodes, and to sequentially supply the driving signal to the plurality of groups of the common electrodes, and a gate driver configured to sequentially supply a gate signal to gate lines within each of the plurality of group of the gate lines.

Abstract: A liquid crystal display with an integrated touch screen panel is disclosed. According to some aspects, conductive patterns or conducting patterns provided to the LCD are used as driving electrodes of the touch screen panel. A driving electrode of the touch screen panel may be formed on one surface of a polarizing plate or window attached to the LCD so as to be positioned close to a contact point, thereby improving touch sensitivity.

Abstract: A liquid crystal display includes: a plurality of gate lines which transmits gate signals having a gate-on voltage and a gate-off voltage; a plurality of data lines which transmits data voltages; a plurality of storage electrode lines which transmits storage signals; a plurality of pixels, wherein each pixel of the plurality of pixels includes a liquid crystal capacitor connected to a switching element and a common voltage, and a storage capacitor connected to the switching element and a storage electrode line of the plurality of storage electrode lines; a gate driver which generates the gate signals; and a plurality of signal generating circuits which generates the storage signals based on at least one control signal and at least one gate signal. The storage signal applied to each pixel has a voltage level which changes after a charging of the data voltage into the liquid crystal capacitor and the storage capacitor.

Abstract: A display apparatus includes; a display panel including a plurality of data lines which receive a data signal, a plurality of gate lines which receive a gate signal and a plurality of pixels, a data driving circuit which provides the data liens with the data signal, and a gate driving circuit which sequentially applies the gate signal to the plurality of gate lines, wherein an area between an ith gate line and an (i+1)th gate line is divided into a plurality of areas by the plurality of data lines, and wherein each area includes first and second pixel areas which are aligned in an extension direction of the data lines, and the first pixel area and the second pixel area are provided with a first pixel connected to the ith gate line and a second pixel connected to the (i+1)th gate line, respectively.

Abstract: A 3-dimensional (3D) flat panel display with a built-in touch screen panel includes a first substrate, a plurality of pixels on the first substrate, a plurality of first electrode patterns spaced apart from one another at a first predetermined interval along a first direction, the plurality of first electrode patterns for driving the plurality of pixels, a second substrate positioned to face the first substrate, and a plurality of barrier patterns formed on an outer surface of the second substrate and spaced apart from one another at a second predetermined interval along a second direction, intersecting the first direction. At least one of the plurality of first electrode patterns and at least one barrier pattern of the plurality of barrier patterns serve as electrodes for the built-in touch screen panel.

Abstract: A touch screen panel integrated liquid crystal display device in which a mutual capacitive touch screen panel is integrated with a liquid crystal display panel is provided. The device includes a first substrate, a plurality of pixels on the first substrate and including respective pixel electrodes, a second substrate facing the first substrate, a common electrode on a first surface of the second substrate facing the pixel electrodes, a plurality of sensor electrodes on a second surface of the second substrate and including a plurality of transparent pairs extending in a first direction and having a plurality of protrusions extending in a second direction crossing the first direction, and a liquid crystal layer between the substrates, wherein the device senses a touch position by detecting a change of capacitance applied to the sensor electrodes corresponding to an alternating current common voltage applied to the common electrode.

Abstract: A liquid crystal display includes a first panel, a second panel facing and separated from the first panel, a liquid crystal layer interposed between the first and second panels, a plurality of sensor data lines formed on the second panel, a plurality of variable capacitors of which capacitance thereof is varied by pressure, the variable capacitors connected to the sensor data lines, a plurality of reference capacitors connected to the sensor data lines, and first reset transistors and second reset transistors connected to the sensor data lines and supplying a first reset voltage and a second reset voltage to the sensor data lines at different times, respectively.

Abstract: Disclosed is a display device, including: a display substrate which comprises a gate line and a data line and a gate driving unit which is coupled to the gate line of the display substrate and outputs a gate signal. The gate driving unit is comprised of a shift register that includes a plurality of stages. At least one of the stages comprises a first drive controller that generates a first control signal by a carry signal applied from a previous stage, a second drive controller that generates a second control signal by a reset signal applied from a subsequent stage, a first drive unit that outputs the reset signal and the carry signal to the previous stage and the following stage, respectively by the first control signal and the second signal, and a second drive unit that outputs the gate signal to the gate line by the first control signal and the second signal.

Abstract: A liquid crystal display (LCD) and a driving method of the same. The LCD includes a liquid crystal capacitor charged with a data voltage during a first turn-on period of a first gate signal, a storage capacitor having one electrode connected to the liquid crystal capacitor and a driving unit which supplies a boost voltage to the other electrode of the storage capacitor during a boost voltage-output period of a boost-control signal. The boost voltage has a first edge and a second edge, the first and second edges occur in the boost voltage-output period, and the first turn-on period occurs between the first and second edges.

Abstract: A liquid crystal display includes a first panel, a second panel facing and separated from the first panel, a liquid crystal layer interposed between the first and second panels, a plurality of sensor data lines formed on the second panel, a plurality of variable capacitors of which capacitance thereof is varied by pressure, the variable capacitors connected to the sensor data lines, a plurality of reference capacitors connected to the sensor data lines, and first reset transistors and second reset transistors connected to the sensor data lines and supplying a first reset voltage and a second reset voltage to the sensor data lines at different times, respectively.

Abstract: A liquid crystal display apparatus comprising a liquid crystal display panel and a touch panel is disclosed. A first transparent electrode is disposed on an upper surface of the liquid crystal display panel for displaying an image. A second transparent electrode is disposed on a lower surface of a retardation member and the second transparent electrode is opposite to the first transparent electrode. Accordingly, the entire thickness of the liquid crystal display apparatus may be decreased, and the manufacturing cost of the liquid crystal display apparatus may be reduced.

Abstract: A gate driving circuit for driving a display apparatus is disclosed. The gate driving circuit properly generates gate voltages despite inconsistent transistor characteristics due to processing and environment by maintaining certain nodes in reliably high impedance states.

Abstract: In a light sensing element having simplified structure, an array substrate having the light sensing element and an LCD apparatus having the light sensing element, the light sensing element includes a first electrode, a control electrode and a second electrode. An alternating bias voltage is applied to the first electrode. An off voltage is applied to the control electrode. The second electrode outputs a light-induced leakage current based on an externally provided light and the bias voltage. Therefore, the array substrate includes one light sensing switching element corresponding to one pixel so that structure of the array substrate is simplified and opening ratio is increased.

Abstract: A shift register and a display device having the shift register are provided. The shift register has a plurality of stages which sequentially generate output signals in synchronization with a plurality of clock signals. Each of the stages includes an input unit for receiving a scan start signal or an output signal from a previous stage and outputting the scan start signal or the output signal as a first voltage, a first unit for passing at least two clock signals, a second unit for outputting at least one of the at least two clock signals or a second voltage in response to an output signal from a next stage, and an output unit for generating an output signal synchronized with at least one of the at least two clock signals in response to the outputs of the input unit and the second unit.

Abstract: The present invention is related to a liquid crystal display. The liquid crystal display includes a display panel, a plurality of pixels formed on the display panel, a sensing unit disposed among the pixels and generating a sensor data signal based on a touch to the display panel, a plurality of image data lines connected to the pixels and transmitting image data signals, and a sensor data line connected to the sensing unit and transmitting the sensor data signal. The sensor data line is separated from an image data line adjacent thereto with respect to the pixel.