Patent application number | Description | Published |
20080266477 | GATE DRIVING CIRCUIT AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A gate driving circuit has a first stage which includes: a pull-up driving unit which receives a first carry signal from a second stage and outputs a control signal having first, second, third and fourth voltages to a first node during a preliminary period, a gate active period, a first gate inactive period and a second gate inactive period, respectively; a pull-up unit which receives the control signal and outputs a gate-on signal to a second node during the gate active period; a carry output unit which receives the control signal and outputs a second carry signal to a third stage during the gate active period; and a pull-down unit which receives a gate-off signal and the second carry signal from the second stage and outputs the control signal having the fourth voltage level to the first node during the second gate inactive period. | 10-30-2008 |
20080297677 | DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME AND DISPLAY DEVICE USING THE DISPLAY SUBSTRATE - A display substrate that has increased aperture ratio is presented. The display substrate includes a base substrate, a first metal pattern formed on the base substrate and a gate wiring and a gate electrode. A first insulating layer is formed on the base substrate covering the first metal pattern. A second metal pattern is formed on the first insulating layer including a data wiring crossing the gate wiring, a source electrode connected to the data wiring and a drain electrode separated from the source electrode. A second insulating layer is formed on the base substrate covering the second metal pattern. A transparent electrode is formed on the second insulating layer. An organic layer is formed on the transparent electrode, and a pixel electrode is formed on the organic layer being insulated with the transparent electrode, and contacted to the drain electrode. The organic layer may comprise red, green and blue color filters. | 12-04-2008 |
20080303760 | ARRAY SUBSTRATE AND DISPLAY PANEL HAVING THE SAME - An array substrate of an LCD having: a gate line formed along a first direction; a data line formed along a second direction crossing the first direction; first and second pixel electrodes spaced apart from each other; a thin-film transistor includes a gate electrode connected to the gate line; a source electrode connected to the data line and partially overlapping the second pixel electrode; and a drain electrode connected to the first pixel electrode spaced apart from the second pixel electrode along the second direction. The source electrode or the gate electrode overlaps the second pixel electrode but the drain electrode does not overlap the second pixel electrode. Electrical coupling between the first and second pixel electrodes are avoided with such configuration. | 12-11-2008 |
20090009685 | POLARIZER AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A liquid crystal display includes a backlight unit, a liquid crystal display panel, and first and second polarizers. The first polarizer is attached to a lower portion of the liquid crystal display panel to face the backlight unit, and the second polarizer is attached to an upper portion of the liquid crystal display panel to correspond to the first polarizer. The liquid crystal display panel includes a first optical layer that partially reflects light provided from the backlight unit, and the first polarizer includes a second optical layer to prevent the light reflected by the first optical layer from being re-reflected to the liquid crystal display panel. | 01-08-2009 |
20090009698 | LIQUID CRYSTAL DISPLAY PANEL - A liquid crystal display panel includes an array substrate, an opposite substrate, and a color filter arranged on at least one of the array substrate and the opposite substrate. The color filter includes at least one diffusion preventing member that extends in a direction in which a combining member overlaps a driver. | 01-08-2009 |
20090040203 | Gate driving circuit and display device having the same - A gate driving circuit and a display device having the same, a pull-up unit pulls up a current gate signal by using a first clock signal during a first period of one frame. A pull-up driver coupled to the pull-up unit receives a carry signal from one of the previous stages to turn on the pull-up unit. A pull-up unit receives a gate signal from one of the next stages, discharges the current gate signal to an off voltage level, and turns off the pull-up unit. A holder holds the current gate signal at the voltage level. An inverter turns on/off the holder in response to a first clock signal. A ripple preventer has a source and a gate coupled in common to an output terminal of the pull-up unit and a drain coupled to an input terminal of the inverter, and includes a ripple preventing diode for preventing a ripple from being applied to the inverter. | 02-12-2009 |
20090096737 | DISPLAY DEVICE, DRIVING DEVICE AND DRIVING METHOD THEREOF - In a gate driver of a display device, a plurality of first stages each transmit a first gate signal having a first gate-on voltage to first gate lines, and a plurality of second stages each transmit a second gate signal having a second gate-on voltage to second gate lines and output a carry signal corresponding to the second gate signal. Each first stage outputs the first gate-on voltage based on a third gate-on voltage of the carry signal from a previous second stage, and each second stage outputs the second gate-on voltage based on the third gate-on voltage of the carry signal from the previous second stage. | 04-16-2009 |
20090189677 | GATE DRIVING CIRCUIT AND DISPLAY APPARATUS HAVING THE SAME - A gate driving circuit includes stages, the stages being cascaded and each including: a pull-up part which pulls up a gate voltage to a clock signal during a horizontal scanning period (1H); a carry part which pulls up a carry voltage to the clock signal during the horizontal scanning period (1H); a pull-up driving part connected to a control terminal (Q-node) common to the carry part and the pull-up part and which receives a previous carry voltage from a first previous stage to turn on the pull-up part and the carry part; and a ripple preventing part which prevents a ripple generated at a previous Q-node of a second previous stage based on a ripple generated at the Q-node of the carry part and the pull-up part. | 07-30-2009 |
20090189679 | GATE DRIVING CIRCUIT AND DISPLAY APPARATUS HAVING THE SAME - A gate driving circuit includes cascaded stages, each including a pull-up part, a carry part, a pull-up driving part, a holding part and an inverter. The pull-up part pulls up a gate voltage to an input clock. The carry part pulls up a carry voltage to the input clock. The pull-up driving part is connected to a control terminal (Q-node) common to the carry part and the pull-up part, and receives a previous carry voltage from a previous stage to turn on the pull-up part and the carry part. The holding part holds the gate voltage at an off-voltage, and the inverter controls at least one of turning on the holding part and turning off the holding part based on an inverter clock. A high level of the inverter clock in a given horizontal period (1H) temporally precedes a high level of the input clock by a predetermined time interval. | 07-30-2009 |
20090190082 | DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME AND DISPLAY PANEL HAVING THE DISPLAY SUBSTRATE - A display substrate includes a first switching element, a second switching element, a first pixel electrode, a second pixel electrode, a main storage electrode and a sub-storage electrode. The first switching element is connected to a data line and a first gate line. The second switching element is connected to the data line and a second gate line adjacent to the first gate line. The first pixel electrode is electrically connected to the first switching element. The second pixel electrode is electrically connected to the second switching element. The main storage electrode is disposed in an area between the first pixel electrode and the second electrode to overlap with first ends of the first and second pixel electrodes. The sub-storage electrode is spaced apart from the first and second gate lines. | 07-30-2009 |
20090219477 | LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a liquid crystal display device including a first substrate, a second substrate, and a liquid crystal layer interposed there between. The first substrate is provided with gate lines and data lines thereon. The gate lines and data lines cross with each other and are insulated from each other. Pixel electrodes are stacked on the gate lines and data lines. Each pixel electrode includes first and second sub-pixel electrodes spaced apart from each other and a connection electrode, which connects the first sub-pixel electrode to the second sub-pixel electrode. The second substrate is provided with a common electrode thereon. The common electrode includes a first domain divider formed on the center of the first sub-pixel electrode and a second domain divider formed on the center of the second sub-pixel electrode. | 09-03-2009 |
20100156954 | DISPLAY APPARATUS - A display apparatus includes: a plurality of pixel blocks, each pixel block of the plurality of pixel blocks including a first pixel electrode connected to a first switching element and a second pixel electrode connected to a second switching element; gate lines which extend along a first direction and include a first gate line connected to the first switching element and a second gate line connected to the second switching element; and data lines which extend along a second direction intersecting the first direction. A gate voltage is applied to the first gate line before the second gate line, and the first pixel electrode of each of the pixel blocks displays a same color. | 06-24-2010 |
20100158188 | Method of Driving a Gate Line and Gate Drive Circuit for Performing the Method - A pull-up driving part maintains a signal of a first node at a high level by receiving a turn-on voltage in response to one of a previous stage or a vertical start signal. A pull-up part outputs a clock signal through an output terminal in response to the signal of the first node. A first holding part maintains a signal of a second node at a high level or a low level when the signal of the first node is respectively low or high. A second holding part maintains the signal of the first node and a signal of the output terminal at a ground voltage in response to the signal of the second node or a delayed and inverted clock signal. | 06-24-2010 |
20100188361 | DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - A display panel and a method of manufacturing the same are provided, which can prevent the deterioration of input sensitivity to the panel, and maximize the aperture ratio of the panel. The display panel includes a first substrate, a gate line and a data line crossing each other on the first substrate, in a manner that the gate line and the data line are electrically insulated from each other. The display panel further comprises a first sensor wire formed in parallel to the data line, a second sensor wire formed to overlap the data line in parallel to the data line, a second substrate arranged opposite to the first substrate, and a sensor spacer formed on the second substrate to project toward the first substrate. | 07-29-2010 |
20100197086 | THIN FILM TRANSISTOR SUBSTRATE AND METHOD OF MANUFACTURING THE SAME AND MASK FOR MANUFACTURING THIN FILM TRANSISTOR SUBSTRATE - A thin film transistor substrate, wherein the moving area of electrons between source and drain electrodes of a thin film transistor (TFT) is minimized, the moving distance of electrons is increased, and the sizes of capacitors defined by a gate electrode together with the respective source and drain electrodes are identical to each other so that an off current generated when the TFT is off can be minimized; a method of manufacturing the thin film transistor substrate; and a mask for manufacturing the thin film transistor substrate. Accordingly, it is possible to minimize an off current induced due to a phenomenon of electron trapping by light. | 08-05-2010 |
20110187682 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display (“LCD”) device includes a display panel, a data driving part, and at least one first light-blocking part and at least one second light-blocking part. The display panel includes a plurality of pixels and a plurality of data lines. The pixels are arranged in a column direction and a row direction. At least one of the data lines extends in a zigzag shape along the column direction to be discontinuously disposed between two adjacent columns of the pixels. The at least one data line is electrically connected to two of the pixels that are adjacent in the row direction. The second light-blocking part is thinner than the first light-blocking part. The first light-blocking part and the second light-blocking are repeatedly disposed on an area between two adjacent columns of the pixels. The data driving part applies a data signal to the data lines. | 08-04-2011 |
20110267326 | GATE DRIVING CIRCUIT AND DISPLAY APPARATUS HAVING THE SAME - A gate driving circuit includes a plurality of stages which are connected to each other one after another and each stage of the plurality of stages outputs a gate voltage to a corresponding gate line of a plurality of gate lines in response to at least one clock signal. Each stage of the plurality of stages includes; a voltage output part which outputs the gate voltage, an output driving part which drives the voltage output part, a holding part which holds the gate line at an off-voltage, and a discharge part arranged at a first end of the gate line to discharge the gate line to the off-voltage in response to the gate voltage output from the voltage output part, | 11-03-2011 |
20110310035 | TOUCH SENSIBLE DISPLAY DEVICE - A touch sensible display device includes a display panel. The display panel includes a plurality of pixels, a plurality of image data lines transferring image data signals to the plurality of pixels and each positioned between two neighboring pixels, a plurality of image scanning lines transferring image scanning signals to the plurality of pixels, a plurality of first sense data lines transferring first sense data signals and each positioned between two neighboring pixels without the image data line interposed therebetween, and a plurality of first sensing units connected with the plurality of first sense data lines and sensing a touch to the display panel. | 12-22-2011 |
20120218486 | DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME AND DISPLAY PANEL HAVING THE DISPLAY SUBSTRATE - A display substrate includes a first switching element, a second switching element, a first pixel electrode, a second pixel electrode, a main storage electrode and a sub-storage electrode. The first switching element is connected to a data line and a first gate line. The second switching element is connected to the data line and a second gate line adjacent to the first gate line. The first pixel electrode is electrically connected to the first switching element. The second pixel electrode is electrically connected to the second switching element. The main storage electrode is disposed in an area between the first pixel electrode and the second electrode to overlap with first ends of the first and second pixel electrodes. The sub-storage electrode is spaced apart from the first and second gate lines. | 08-30-2012 |
20130002309 | METHOD OF DRIVING A GATE LINE AND GATE DRIVE CIRCUIT FOR PERFORMING THE METHOD - A pull-up driving part maintains a signal of a first node at a high level by receiving a turn-on voltage in response to one of a previous stage or a vertical start signal. A pull-up part outputs a clock signal through an output terminal in response to the signal of the first node. A first holding part maintains a signal of a second node at a high level or a low level when the signal of the first node is respectively low or high. A second holding part maintains the signal of the first node and a signal of the output terminal at a ground voltage in response to the signal of the second node or a delayed and inverted clock signal. | 01-03-2013 |
20130063331 | GATE DRIVING CIRCUIT HAVING IMPROVED TOLERANCE TO GATE VOLTAGE RIPPLE AND DISPLAY DEVICE HAVING THE SAME - A gate driving circuit and a display device having the same, a pull-up unit pulls up a current gate signal by using a first clock signal during a first period of one frame. A pull-up driver coupled to the pull-up unit receives a carry signal from one of the previous stages to turn on the pull-up unit. A pull-up unit receives a gate signal from one of the next stages, discharges the current gate signal to an off voltage level, and turns off the pull-up unit. A holder holds the current gate signal at the voltage level. An inverter turns on/off the holder in response to a first clock signal. A ripple preventer has a source and a gate coupled in common to an output terminal of the pull-up unit and a drain coupled to an input terminal of the inverter, and includes a ripple preventing diode for preventing a ripple from being applied to the inverter. | 03-14-2013 |
20130299831 | ARRAY SUBSTRATE AND DISPLAY PANEL HAVING THE SAME - An array substrate of an LCD having: a gate line formed along a first direction;a data line formed along a second direction crossing the first direction;first and second pixel electrodes spaced apart from each other;a thin-film transistor includes a gate electrode connected to the gate line; a source electrode connected to the data line and partially overlapping the second pixel electrode; and a drain electrode connected to the first pixel electrode spaced apart from the second pixel electrode along the second direction. The source electrode or the gate electrode overlaps the second pixel electrode but the drain electrode does not overlap the second pixel electrode. Electrical coupling between the first and second pixel electrodes are avoided with such configuration. | 11-14-2013 |