Patent application number | Description | Published |
20090122213 | THIN FILM TRANSISTOR FOR DRIVING GATE LINE AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A thin film transistor for driving a gate line and a liquid crystal display having the same are provided. The thin film transistor for driving a gate line includes a gate electrode, a semiconductor layer formed on the gate electrode, a drain electrode formed on the semiconductor layer, a source electrode formed on the semiconductor layer and separated from the drain electrode and being coupled to the gate line, and a ripple-prevention electrode formed on the drain electrode which overlaps at least a part of the drain electrode. | 05-14-2009 |
20090189839 | LIQUID CRYSTAL DISPLAY - A liquid crystal display including a liquid crystal display panel having a display area that displays an image in response to a gate signal and a data signal, and a peripheral area including first, second, third and fourth peripheral areas surrounding the display area; a plurality of gate drivers performing a scanning operating in response to a first control signal to output the gate signal, the gate drivers being arranged in the first peripheral area; a plurality of data drivers arranged in the second peripheral area adjacent to a gate driver that last performs the scanning operating among the gate drivers; and a signal transmission line connected to a gate driver that first performs the scanning operation among the gate drivers, and routed through the third and fourth peripheral areas opposite to the first and second peripheral areas, respectively, to provide the first control signal to the gate drivers. | 07-30-2009 |
20090230396 | THIN-FILM TRANSISTOR SUBSTRATE AND DISPLAY DEVICE HAVING THE SAME - Provided are a thin-film transistor (TFT) substrate and a display device having the same. In the TFT substrate and the display device having the same, first and second drain electrodes of first and second TFTs connected to first and second pixel electrodes, respectively, are vertically bent a plurality of times. The distance between each of the first and second source electrodes and the first or second drain electrode is maintained at a minimum interline gap to increase the distance between a data line and each of the first and second drain electrodes and minimize the length of a region of each of the first and second drain electrodes adjacent to the data line. Consequently, a coupling capacitance between the data line and each of the first and second drain electrodes can be reduced, and each unit pixel region can have a uniform parasite capacitance within a predetermined range. In addition, the luminance deviation of a display device, which performs inversion driving, can be reduced. | 09-17-2009 |
20090290114 | DISPLAY SUBSTRATE AND DISPLAY PANEL HAVING THE SAME - A first slit pattern is formed in a display substrate and a display panel of vertical alignment mode having the display substrate. The first slit pattern includes slits, a pair of projections and a pair of notches. A divergence point where the slits meet each other and an incision portion of the slits have the same function as the pair of projections in the generation of a singular point of liquid crystal. A contact hole exposing a part of an output electrode of a switching element is formed at a protective layer of an array substrate. A step recess is formed at a protective layer corresponding to a storage electrode, a divergence point of the slits is arranged to correspond to the storage electrode. The singular point of the liquid crystal is induced to occur at a regular position, and thus afterimages and spots can be prevented. | 11-26-2009 |
20090296010 | DISPLAY APPARATUS AND METHOD THEREOF - A display apparatus includes a storage line, a main-storage electrode branched from the storage line, and sub-storage electrodes branched from the main-storage electrode. The main-storage electrode and the sub-storage electrodes form storage capacitors with a pixel electrode. The main-storage electrode has a structure that is suitable for improving an aperture ratio of the display apparatus, and the sub-storage electrodes has a structure that is suitable for improving a driving capability of the display apparatus. Thus, a desired aperture ratio and a desired driving capability may be obtained by adjusting lengths of the main-storage electrode and the sub-storage electrodes. | 12-03-2009 |
20100007653 | GATE DRIVER AND DISPLAY APPARATUS HAVING THE SAME - A gate driver that comprises n shift registers, wherein n is an integer equal to or larger than 1, each of the n shift registers includes; a start stage which outputs a gate signal and starts its operation in response to a start signal, and a plurality of subsequent stages which are connected to each other in sequence, and which sequentially output a plurality of gate signals in response to a signal output from the start stage, wherein at least one stage of the plurality of subsequent stages is reset by the start signal. | 01-14-2010 |
20100013823 | DISPLAY APPARATUS AND METHOD THEREOF - In the display apparatus, a gate driver receives at least one clock to sequentially provide gate lines in a display panel with a gate signal in a high state corresponding to a high interval of the clock. The gate driver includes a plurality of amorphous silicon transistors and is formed in the display panel through a thin film process. The clock has a delay time of about 2.0 μs or less. If the delay time of the clock is reduced less than about 2.0 μs, a threshold voltage margin of the transistors increases, so that the gate driver may not malfunction in a high temperature aging process. As a result, the gate driver may be prevented from malfunctioning in the high temperature aging process. | 01-21-2010 |
20100134399 | METHOD OF DRIVING A GATE LINE, GATE DRIVE CIRCUIT AND DISPLAY APPARATUS HAVING THE GATE DRIVE CIRCUIT - A method of driving a gate line includes: charging one of a scan start signal and a carry signal provided from a previous stage to a first node of a present stage; outputting a gate signal through a gate node of the present stage by pulling up a high level of a first clock signal at the first node to boost up a voltage potential of the first node; discharging the voltage potential of the first node and a voltage potential of the gate node to hold the first node and the gate node at a first power voltage as the first clock signal is shifted to a low level; and receiving a voltage potential signal of a second node of the previous stage, the second node holding a gate signal outputted from the previous stage, to reduce a ripple generated at the first node. | 06-03-2010 |
20100201668 | Gate Drive Circuit and Display Apparatus Having the Same - Gate drive circuit includes a plurality of stages connected one after another to each other. An m-th stage includes a pull-up section outputting a first clock signal as a gate signal of the m-th stage to an output terminal, a pull-down section applying a low voltage to the output terminal, a carry section outputting the first clock signal as a carry signal of the m-th stage in response to the high voltage of the first node signal, a first carry holding section maintaining the carry signal of the m-th stage at the low voltage in response to the high voltage of the first clock signal and a second carry holding section maintaining the carry signal of the m-th stage at the low voltage in response to a high voltage of the second clock signal. | 08-12-2010 |
20100207846 | THIN-FILM TRANSISTOR PANEL - Embodiments of the present disclosure provide a thin-film transistor (TFT) panel structured to prevent the deterioration of image quality due to the luminance change of backlight. According to an embodiment, the TFT panel includes: an insulating substrate; a first gate line and a first data line which are formed on the insulating substrate to be insulated from each other and cross each other; a first subpixel electrode which is formed on the insulating substrate and connected to the first gate line and the first data line by a first TFT; a second subpixel electrode which is formed on the insulating substrate and separated from the first subpixel electrode; a connecting electrode which is directly connected to any one of the first and second subpixel electrodes and capacitively coupled to the other one of the first and second subpixel electrodes; a semiconductor pattern which is formed between the connecting electrode and the insulating substrate; and a light-shielding pattern which is formed between the semiconductor pattern and the insulating substrate, is overlapped by the connecting electrode, and blocks light. | 08-19-2010 |
20100208157 | LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF - A liquid crystal display (LCD), according to an exemplary embodiment of the present invention, includes a plurality of pixels arranged in a matrix shape. Each of the pixels include a first subpixel and a second subpixel. The pixels include a first thin film transistor transmitting a first data voltage to the first subpixel. The first thin film transistor includes a first source electrode, a first drain electrode, and a first gate electrode. The pixels include a second thin film transistor transmitting a second data voltage to the second subpixel. The second thin film transistor includes a second source electrode, a second drain electrode, and a second gate electrode. A relative position of the first drain electrode with respect to the first source electrode is opposite to a relative position of the second drain electrode with respect to the second source electrode in each pixel. | 08-19-2010 |
20110089423 | THIN FILM TRANSISTOR ARRAY PANEL - A thin film transistor array panel can include: a substrate; a gate line formed on the substrate; a gate pad formed at an end of the gate line; a gate identification member corresponding to the gate pad and formed in the same layer as the gate pad; a gate insulating layer covering the gate line and the gate identification member; a data line formed on the gate insulating layer; a passivation layer formed on the gate insulating layer and the data line; a gate contact assistant formed on the passivation layer; and a gate driving chip electrically connected to the gate contact assistant, wherein the gate contact assistant at least partially overlaps the gate identification member. The gate identification member is formed without producing a step in the gate contact assistant, reducing the risk of defects when wires or other objects are pressed onto the gate pad. | 04-21-2011 |
20120081274 | THIN FILM TRANSISTOR ARRAY PANEL, LIQUID CRYSTAL DISPLAY, AND METHOD TO REPAIR THE SAME - The present invention relates to a thin film transistor array panel, a liquid crystal display, and a method capable of reducing an effect on neighboring pixels in a process of repairing a pixel defect. The thin film transistor array panel may include: a thin film transistor connected to a gate line and a data line to define a pixel area; a pixel electrode formed in the pixel area and connected to the thin film transistor; and a storage electrode including a first portion overlapping the data line between two adjacent gate lines. The storage electrode may also include a second portion connected to the first portion and enclosing an edge of the pixel area except for a region where the first portion is formed. The storage electrode may be branched between pixel electrodes respectively formed in two adjacent pixel areas. | 04-05-2012 |
20120113375 | DISPLAY SUBSTRATE AND DISPLAY PANEL HAVING THE SAME - A first slit pattern is formed in a display substrate and a display panel of vertical alignment mode having the display substrate. The first slit pattern includes slits, a pair of projections and a pair of notches. A divergence point where the slits meet each other and an incision portion of the slits have the same function as the pair of projections in the generation of a singular point of liquid crystal. A contact hole exposing a part of an output electrode of a switching element is formed at a protective layer of an array substrate. A step recess is formed at a protective layer corresponding to a storage electrode, a divergence point of the slits is arranged to correspond to the storage electrode. The singular point of the liquid crystal is induced to occur at a regular position, and thus afterimages and spots can be prevented. | 05-10-2012 |
20120154308 | TOUCH DISPLAY SUBSTRATE AND TOUCH DISPLAY PANEL HAVING THE SAME - A touch display substrate includes a first data line, a first gate line, a first pixel electrode, a second gate line, a second pixel electrode, a senor data line and a first sensor electrode. The first data line extends along a first direction. The first gate line extends along a second direction. The first pixel electrode is electrically connected to the first data line and the first gate line. The second gate line is substantially parallel with the first gate line. The second pixel electrode is adjacent to the first pixel electrode and electrically connected to the first data line and the second gate line. The sensor data line is adjacent to the second pixel electrode and substantially parallel to the first data line. The first sensor electrode is electrically connected to the sensor data line. | 06-21-2012 |
20120217514 | ARRAY SUBSTRATE, A DISPLAY PANEL HAVING THE ARRAY SUBSTRATE AND A METHOD OF MANUFACTURING THE ARRAY SUBSTRATE - A substrate includes a storage line, first and second gate lines and first and second pixel electrodes. The storage line extends along a first direction on the substrate. The first and second gate lines are substantially parallel with the storage line. The first pixel electrode is formed between the first gate line and the storage line. The second pixel electrode is formed between the second gate line and the storage line. | 08-30-2012 |
20130069069 | THIN FILM TRANSISTOR ARRAY PANEL - A thin film transistor array panel includes a gate line and the driver connection line formed with the same layer material, a data line and a driving pad formed with the same layer material, a first field generating electrode and a connecting member formed with the same layer material, and a second field generating electrode and a dummy electrode layer formed with the same layer material. | 03-21-2013 |
20130106677 | DISPLAY PANEL | 05-02-2013 |
20130248869 | DISPLAY SUBSTRATE - A display substrate includes a gate line extended in one direction of a base substrate, a first data line extended in a direction crossing the gate line, a transverse storage line extended in the extending direction of the gate line and crossing the first data line, a longitudinal storage line extended in the extending direction of the first data line and crossing the transverse storage line, a portion of an overlapping area between the longitudinal storage line and the transverse storage line is exposed in a contact part region having an opening partially exposing the transverse storage line. A contact electrode covers the contact part opening and makes electrical contact with each of the transverse storage line and the longitudinal storage line. | 09-26-2013 |
20130335365 | DISPLAY DEVICE INCLUDING TOUCH SENSOR - A display device include a first surface, a sensing capacitor having a sensing input electrode and a sensing output electrode, wherein the sensing capacitor stores a first amount of charges and the sensing capacitor stored a second amount of charges when an external object contacts on the first surface, a sensing input signal line electrically connected with the sensing input electrode and receiving a sensing input signal to charge the sensing capacitor to the first amount of charges, a sensing output signal line electrically connected with the sensing output electrode, and a sensing signal processor connected with the sensing output signal line, wherein the sensing signal processor determines whether an external objects contact on the first surface based on a voltage difference between the first amount of charges and the second amount of charges stored in the sensing capacitor. | 12-19-2013 |
20130335667 | THIN FILM TRANSISTOR ARRAY PANEL, LIQUID CRYSTAL DISPLAY, AND METHOD TO REPAIR THE SAME - The present invention relates to a thin film transistor array panel, a liquid crystal display, and a method capable of reducing an effect on neighboring pixels in a process of repairing a pixel defect. The thin film transistor array panel may include: a thin film transistor connected to a gate line and a data line to define a pixel area; a pixel electrode formed in the pixel area and connected to the thin film transistor; and a storage electrode including a first portion overlapping the data line between two adjacent gate lines. The storage electrode may also include a second portion connected to the first portion and enclosing an edge of the pixel area except for a region where the first portion is formed. The storage electrode may be branched between pixel electrodes respectively formed in two adjacent pixel areas. | 12-19-2013 |
20140312353 | THIN FILM TRANSISTOR ARRAY PANEL - A thin film transistor array panel includes a gate line and the driver connection line formed with the same layer material, a data line and a driving pad formed with the same layer material, a first field generating electrode and a connecting member formed with the same layer material, and a second field generating electrode and a dummy electrode layer formed with the same layer material. | 10-23-2014 |
20150029080 | DISPLAY DEVICE HAVING HIGHER APERTURE RATIO AND LOWER POWER CONSUMPTION - A display device includes a plurality of pixels arranged in a column direction and in a row direction, as well as a data line connected to a pixel of a k-th column (where ‘k’ is a natural number) and a (k+1)-th column in an odd-numbered row of the pixels, and connected to a pixel of a (k−1)-th column and a (k+2)-th column in an even-numbered row of the pixels. A data driving part is configured to apply a data signal to the data lines. | 01-29-2015 |