Abstract: In a sensing device and a method for sending a light by using the same, the sensing device includes: a lower panel; an upper panel facing the lower panel; a liquid crystal layer disposed between the lower panel and the upper panel; an infrared ray sensor formed in at least one of the lower panel and the upper panel; and a visible ray sensor formed in at least one of the lower panel and the upper panel. The sensing device simultaneously includes the infrared ray sensor and the visible ray sensor such that a touch sensing function or an image sensing function having high reliability may be realized.

Abstract: In a sensing device and a method for sending a light by using the same, the sensing device includes: a lower panel; an upper panel facing the lower panel; a liquid crystal layer disposed between the lower panel and the upper panel; an infrared ray sensor formed in at least one of the lower panel and the upper panel; and a visible ray sensor formed in at least one of the lower panel and the upper panel. The sensing device simultaneously includes the infrared ray sensor and the visible ray sensor such that a touch sensing function or an image sensing function having high reliability may be realized.

Abstract: A method of driving a display device having a plurality of pixels, a plurality of sensing units, and a plurality of sense data lines to which the plurality of sensing units are connected, includes: reading sense signals from the sense data lines; determining whether or not the display has been touched and the number of touches, generating X-axis and Y-axis position data based on the sense signals, and determining, when the quantity of touches is plural, whether a plurality of touches are sequentially generated, and the touch position of each.

Abstract: A shift register includes stages to generate gate signals in sequence. Each of the stages includes a first pull up drive control section, a pull up drive section and a pull down drive section. The first pull up drive control section outputs a control signal based on the gate signal of an adjacent stage. The pull up drive section receives a first clock signal and outputs the first clock signal as the gate signal to a corresponding gate line in response to the control signal. The pull down drive section inactivates the corresponding gate line in response to a second clock signal.

Abstract: A liquid crystal display panel includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a plurality of pixels and a plurality of sensing parts. Each of the sensing parts generates an output signal containing location information in response to an input signal. The location information indicates a location where the input signal is inputted. The second substrate is connected to the first substrate. The second substrate faces the first substrate. The liquid crystal layer is interposed between the first substrate and the second substrate. The liquid crystal display device needs no additional touch panel, so that no air space exists between the liquid crystal display panel and the touch panel. Therefore, a display quality is enhanced.

Abstract: In a display apparatus and a method for driving the display apparatus, the display apparatus includes a display panel and a gate driving part. The display panel has a gate line, and a gate driving part has a plurality of stages and a plurality of signal lines. At least one of the stages includes a transferring stage sequentially driving the stage, and an output stage partially driving the gate line, in response to a signal outputted from the transferring stage and a driving area selection signal. Accordingly, the display apparatus is partially driven, so that current consumption may be decreased, the display apparatus may be more safely driven, and a position, a size and the number of a non-display area may be more easily controlled.

Abstract: A display panel including a first capacitor and a second capacitor is disclosed. The first and second capacitors boost a second driving voltage from a driving chip and apply the boosted second driving voltage to the driving chip. The driving chip receives the boosted second driving voltage and outputs a first driving voltage to drive the display panel. Thus, the display panel does not require any additional capacitor for boosting the second driving voltage, thereby reducing a thickness and a manufacturing cost of the display panel.

Abstract: A method of detecting a touch position and a touch panel for performing the method are disclosed. In the above-mentioned method, a plurality of scan signals is sequentially supplied to a plurality of first sensor lines arranged in a first direction. Then, at least one of the scan signals is analyzed based on touch events, which is transferred from the first sensor lines to a plurality of second sensor lines arranged in a second direction substantially across to the first direction, and then at least one of touch positions is detected. Therefore, a plurality of scan signals is sequentially applied to the first sensor lines in the first direction, so that a plurality of touch events is simultaneously detected so that a plurality of touch positions may be detected.

Abstract: A display panel includes an array substrate and an opposite substrate. The array substrate includes a plurality of data lines, a plurality of gate lines, a plurality of first signal lines, a plurality of second signal lines and a plurality of pixels. Each of the pixels includes a pixel electrode and a common electrode insulated from the pixel electrode. The opposite substrate includes a plurality of connecting members. At least one of the connecting members is electrically connected to at least one of the first signal lines and the second signal lines by an externally provided pressure. Thus, when an externally provided pressure is applied to the display panel in order to perform a touch screen function, an alignment of the liquid crystal molecules disposed on the array substrate may not be substantially changed, and a display quality may be improved.

Abstract: A gate driving circuit having improved driving capability and maintaining reliability even after a prolonged period of use includes a shift register having a plurality of stages cascaded to one another, each of the plurality of stages including a pull-up unit, a pull-down unit, a discharging unit, and a holding unit, wherein at least one of the discharging unit and the holding unit includes an amorphous silicon thin film transistor and a polysilicon thin film transistor connected in parallel to each other.

Abstract: A display device according to an embodiment of the present invention includes: a display panel; a plurality of pixels disposed on the display panel; a plurality of sensor data lines disposed on the display panel and disposed between two adjacent pixels; and a plurality of sensing units disposed on the display panel and disposed between two adjacent pixels.

Abstract: A display panel includes an array substrate and an opposite substrate. The array substrate includes pixels, first signal lines, and second signal lines. The opposite substrate is combined with the array substrate, interposing a liquid crystal layer there between. The opposite substrate includes an opposite base substrate and first and second protruded electrodes. The first and second protruded electrodes are formed in regions corresponding to the first and second signal lines, respectively, and are electrically connected to the first and second signal lines, respectively, based on an externally provided pressure. Therefore, a thickness of the display panel is decreased, and a touch position is easily detected.

Abstract: A display device includes: a plurality of sensing data lines; a plurality of sensing units that output sensing signals through the plurality of sensing data lines; a signal selector that selects one sensing signal among the plurality of sensing signals; an automatic voltage adjusting unit that, when one sensing signal is selected by the signal selector, performs a controlling operation so as to allow a magnitude of the selected sensing signal to be in a predetermined range; and a voltage generator that adjusts the magnitude of the voltage applied to the sensing data lines based on a control signal output from the automatic voltage adjusting unit. According to the voltage adjusting operation, the sensing signal output through the sensing data line is always in an appropriate range. As a result, the touch determining operation on the sensing units can be accurately performed, so that it is possible to improve reliability of the sensing units.

Abstract: A liquid crystal display includes: a first substrate, a second substrate facing the first substrate, a liquid crystal layer interposed between the first substrate and the second substrate and including liquid crystal molecules, a gate line positioned on the first substrate, a data line positioned on the first substrate and crossing the gate line, a first thin film transistor and a second thin film transistor connected to the gate line and the data line, a third thin film transistor connected to the gate line and the second thin film transistor, a reference voltage line connected to the third thin film transistor, and a pixel electrode including a first subpixel electrode connected to the first thin film transistor and a second subpixel electrode connected to the second thin film transistor.

Abstract: A liquid crystal display apparatus including a gate driving circuit disposed on a liquid crystal display is provided. The apparatus further includes a data driving chip, disposed on the liquid crystal display panel, to apply data driving signals to data lines. The gate driving circuit includes a plurality of stages connected to one another in parallel. The odd-numbered stages of the stages each apply gate driving signals to odd-numbered gate lines of the gate lines, in response to a first clock signal and the even-numbered stages of the stages each apply the gate driving signals to even-numbered gate lines of the gate lines, in response to a second clock signal having an opposite phase from a phase of the first clock signal.

Abstract: A display device including a plurality of sensing units, a plurality of first sensing signal lines, a first output unit, a first sensing output line, and a sensing signal processor. The sensing units are arranged in a matrix and generate a detection signal according to user contact. The first sensing signal lines transfer the detection signal of the sensing unit arranged in a first direction. The second sensing signal lines transfer the detection signal of the sensing units arranged in a second direction that is perpendicular to the first direction. The first output unit sequentially outputs the detection signals of the first sensing signal lines. The first sensing output line extends in the second direction for transferring the detection signal of the first output unit. The sensing signal processor determines whether contact is made or not by processing the detection signals of the first sensing signal lines and the second sensing signal lines.

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 apparatus including a gate driving circuit disposed on a liquid crystal display is provided. The apparatus further includes a data driving chip, disposed on the liquid crystal display panel, to apply data driving signals to data lines. The gate driving circuit includes a plurality of stages connected to one another in parallel. The odd-numbered stages of the stages each apply gate driving signals to odd-numbered gate lines of the gate lines, in response to a first clock signal and the even-numbered stages of the stages each apply the gate driving signals to even-numbered gate lines of the gate lines, in response to a second clock signal having an opposite phase from a phase of the first clock signal.

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 touch position detecting method, a device using the method, and a touch screen display device having the device are disclosed. A touch sensing unit senses a touch event and outputs a sensing data. A reference update unit updates a reference data with an n-th frame sensing data provided from the touch sensing unit, based on a predetermined update signal. A position detecting unit detects the touch position by using the reference data and an (n+i)-th frame sensing data from the touch sensing unit. Therefore, the touch position is easily detected by determining a difference between the reference data and the sensing data at a certain time.