Patent application number | Description | Published |
20090075440 | DISPLAY AND MANUFACTURING METHOD THEREOF - A display includes a substrate, a control electrode formed on the substrate, input and output electrodes formed on the substrate having facing sides facing each other with respect to the control electrode, a semiconductor layer contacting the input and the output electrodes, and an insulating layer formed between the control electrode and the semiconductor layer. At least one of the facing sides of the input and output electrodes on the semiconductor layer has a plurality of protrusions. The channel between the input and output electrodes is formed with various shapes, the length of the channel is prevented from being extending by a skew phenomenon, and the width of the channel may be extended. | 03-19-2009 |
20090135358 | DISPLAY DEVICE - A display device which includes a substrate, a gate line formed on the substrate, a data line intersecting the gate line, and a thin film transistor having a gate electrode connected to the gate line, a source electrode which overlaps the gate electrode and is connected to the data line, and a drain electrode which overlaps the gate electrode. The overlapping area between the gate electrode and the drain electrode is larger than the overlapping area between the gate electrode and the source electrode. | 05-28-2009 |
20090207330 | DISPLAY DEVICE - A display device includes a pixel electrode that includes a first sub-pixel electrode and a second sub-pixel electrode, a first thin film transistor connected to the first sub-pixel electrode, a second thin film transistor connected to the second sub-pixel electrode, an assistance capacitor connected to the first sub-pixel electrode, and a third thin film transistor connected to the assistance capacitor and the second sub-pixel electrode. The third thin film transistor includes a gate electrode, a source electrode overlapping the gate electrode and connected to the second sub-pixel electrode, and a drain electrode connected to the assistance capacitor, and a parasitic capacitance between the gate electrode and the drain electrode is equal to or less than a parasitic capacitance between the gate electrode and the source electrode. | 08-20-2009 |
20090207475 | DISPLAY APPARATUS - A display apparatus according to one or more embodiments includes an array substrate and an opposite substrate facing the array substrate. Pixels areas are defined in the array substrate, and each pixel area includes a pixel electrode having concave-convex patterns at the edges thereof when viewed in a plan view. The concave-convex patterns vary directions of fringe fields generated from the edges of the pixel electrode, so that an area in which a fringe field is formed relative to one pixel area may be prevented from overlapping with a peripheral pixel area. | 08-20-2009 |
20090256985 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a substrate; a common voltage line formed on the substrate and transmitting a common voltage; a pixel electrode formed on the common voltage line and including a first subpixel electrode and a second subpixel electrode; a first thin film transistor connected to the first subpixel electrode, and including a first gate electrode, a first source electrode, and a first drain electrode; a second thin film transistor connected to the second subpixel electrode, and including a second gate electrode, a second source electrode, and a second drain electrode; a boosting capacitor connected to the first subpixel electrode; a third thin film transistor connected to the common voltage line and the boosting capacitor, and including a third gate electrode, a third source electrode, and a third drain electrode; and a fourth thin film transistor connected to the second subpixel electrode and the boosting capacitor, wherein the common voltage line is formed in the same layer as the third source electrode, and is electrically connected to the third source electrode. | 10-15-2009 |
20090268112 | DISPLAY APPARATUS WITH TRANSISTORS CONNECTED TO SUB-PIXEL ELECTRODES - A display apparatus includes a plurality of pixel regions. Each of the pixel regions includes a first sub-pixel region, a second sub-pixel region and a boost capacitor. The first sub-pixel region and the second sub-pixel region are electrically connected to the boost capacitor. The boost capacitor causes voltages the first and second sub-pixel regions to be at different voltages to increase the viewing angle of the display apparatus. One electrode of the boost capacitor, a coupling electrode, is formed over a storage capacitance line made of an opaque metal such that an additional boost capacitor (Cboost) may be formed without decreasing the aperture ratio of the pixel region. Other features are also provided. | 10-29-2009 |
20090310047 | LIQUID CRYSTAL DISPLAY - A liquid crystal display according to an embodiment of the present invention includes: first and second substrates opposed to each other; a liquid crystal layer including liquid crystal molecules interposed between the first and second substrates; a gate line formed on the first substrate and transmitting a gate signal; first and second data lines formed on the first substrate and transmitting first and second data voltages having different polarities; a first switching element connected to the gate line and the first data line; a second switching element connected to the gate line and the second data line; and first and second pixel electrodes that are connected to the first and second switching elements, respectively, and separated from each other, wherein the liquid crystal layer has positive dielectric anisotropy. | 12-17-2009 |
20100002161 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) includes a first sub-pixel electrode to which a first data signal is applied, a second sub-pixel electrode which is spaced apart from the first pixel electrode and to which a second data signal is applied, and a floating electrode which is capacitance-coupled to the first sub-pixel electrode and the second sub-pixel electrodes. Also described is a method of controlling an LCD, the method including applying a first data signal to a first sub-pixel electrode, applying a second data signal to a second sub-pixel electrode, and capacitance-coupling a floating electrode to the first sub-pixel electrode and the second sub-pixel electrode. | 01-07-2010 |
20100123713 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a first pixel and a second pixel. The first pixel and the second pixel are defined by a first gate bus line, a second gate bus line, a first power supply line and a second power supply line. A data bus line between the first supply line and the second supply line divides the first pixel from the second pixel line. Accordingly, the pixel shares a data bus line or a power supply line with adjacent pixel. Advantageously, thereby, more space between lines prevents defects caused during fabricating the display device and improve a reliability of the display device. | 05-20-2010 |
20100134389 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode display includes a plurality of pixels. Each pixel includes a light emitting element and a driving transistor coupled to the light emitting element. The pixels may be arranged in a matrix. The pixels include first pixels, second pixels, and third pixels, the driving transistors of the first to the third pixels occupy different areas, and the light emitting elements of the first to the third pixels occupy substantially equal area. | 06-03-2010 |
20100156874 | Display Panel - A display panel includes a first sub-pixel electrode and a second sub-pixel electrode alternating with each other to form a horizontal electric field, a first data line transmitting a first data voltage to the first sub-pixel electrode, and a second data line transmitting a second data voltage to the second sub-pixel electrode, wherein the second sub-pixel electrode is formed to overlap the first and second data lines. | 06-24-2010 |
20100207856 | ARRAY SUBSTRATE AND DISPLAY DEVICE HAVING THE SAME - An array substrate includes a first pixel electrode and a second pixel electrode. The first pixel electrode includes first branch electrode portions and second branch electrode portions. The first branch electrode portions are disposed in a first area of a unit pixel area and are substantially parallel to a first side of the unit pixel area. The second branch electrode portions are disposed in a second area of the unit pixel area and are substantially parallel to a second side of the unit pixel area. The second pixel electrode includes third branch electrode portions disposed between the first branch electrode portions and fourth branch electrode portions disposed between the second branch electrode portions. | 08-19-2010 |
20100225627 | VERTICAL ALIGNMENT DISPLAY DEVICE WITH ENHANCED CONTRAST - A vertical alignment liquid crystal display includes two sub-pixels each with a variable capacitor. A pixel is bisected into a high gray sub-pixel and a low gray sub-pixel through forming a variable capacitor at each sub-pixel. With this structure, the sub-pixels express different grays so that lateral visibility is enhanced. It is not required in bisecting a pixel into two sub-pixels to form separate wires for applying different signals thereto, and the amount of data to be processed at the driver for driving the display device is reduced. Furthermore, a pixel is bisected into two sub-pixels with variable capacitors in a simplified manner, and it is not required to form additional wires and elements, so the aperture ratio is enhanced. | 09-09-2010 |
20100328279 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A liquid crystal display device includes; a plurality of data lines disposed on a substrate, a plurality of gate lines disposed substantially perpendicular to the data lines, wherein the data lines and the gate lines together surround a plurality of pixel regions, a plurality of power supplying lines disposed substantially parallel to the data lines, a plurality of pixel electrode pairs, wherein each of the pixel electrode pairs includes a first and a second pixel electrode respectively disposed in each pixel region, and a pixel driving circuit including at least one transistor and a plurality of storage capacitors in each pixel region, wherein the pixel electrode pairs have portions where the pixel electrode pairs and at least one of the plurality of data lines and the plurality of power supplying lines are vertically aligned with each other, and the storage capacitors are disposed at the vertically aligned portions. | 12-30-2010 |
20110013105 | DISPLAY PANEL AND DISPLAY PANEL DEVICE INCLUDING THE SAME - An approach of a circuit configuration is provided for operating a display panel and a liquid crystal display with high aperture ratio, transmittance and visibility, the circuit configuration includes: a gate line; a data line intersecting the gate line; a first transistor connected to the gate line and the data line; a second transistor connected to the gate line and the data line; a storage electrode line separated from the gate line; a third transistor connected to the storage electrode line and the second transistor; a first pixel electrode connected to the first transistor; and a second pixel electrode connected to the second transistor and the third transistor. The third transistor being separated from an additional gate line is connected to the storage electrode line such that the aperture ratio can be increased, and visibility and transmittance can be enhanced. | 01-20-2011 |
20110215993 | Liquid Crystal Display - A liquid crystal display includes a substrate, first and second pixels neighboring in a row direction, third and fourth pixels respectively neighboring the first and second pixel in a column direction, wherein the pixels are formed on the substrate, first and second data lines formed on the substrate that transmit a data voltage, and a voltage line disposed between the first and second data lines. The pixels respectively include a first switching element connected to the first or second data line, a second switching element connected to the voltage line, a first pixel electrode connected to the first switching element, and a second pixel electrode connected to the second switching element. A position of the first pixel electrode with respect to the second pixel electrode of the first pixel is opposite to a position of the first pixel electrode with respect to the second pixel electrode of the second pixel. | 09-08-2011 |
20110304789 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a gate line, a data line crossing the gate line and insulated from the gate line, a common voltage line separated from the gate line and the data line, where the common voltage line transfers a predetermined voltage, a first switching element connected to the gate line and the data line, a second switching element connected to the gate line and the data line, a first liquid crystal capacitor connected to the first switching element, a second liquid crystal capacitor connected to the second switching element and at least two decompressing switching elements connected to the second switching element and the common voltage line. | 12-15-2011 |
20110310075 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display includes a gate line; a data line intersecting and insulated from the gate line; a common voltage line separated from the gate line and the data line to transfer a predetermined voltage; a first switching element connected to the gate line and the data line; a second switching element connected to the gate line and the data line; a first liquid crystal capacitor connected to the first switching element; a second liquid crystal capacitor connected to the second switching element; a third switching element that includes an input terminal connected to the second switching element, a floated control terminal, and an output terminal; and a third capacitor connected to the third switching element and the common voltage line. | 12-22-2011 |
20120224128 | DISPLAY APPARATUS, METHOD OF MANUFACTURING THE SAME, AND METHOD OF DRIVING THE SAME - A display apparatus includes a first substrate including a first base substrate, a first pixel electrode disposed on the first base substrate, an insulating layer on the first pixel electrode, and a second pixel electrode disposed on the insulating layer and including a plurality of slits; a second substrate including a second base substrate opposite the first base substrate and on the first base substrate, and a reference electrode disposed on the second base substrate and facing the second pixel electrode; and a liquid crystal layer is disposed between the second pixel electrode and the reference electrode, the liquid crystal layer including liquid crystal molecules which are vertically aligned relative to the first and second substrates. | 09-06-2012 |
20120236043 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A display apparatus includes a panel module displaying a 2-dimensional (2D) image or a 3-dimensional (3D) stereoscopic image, a lens panel disposed over the panel module and including a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate, the first substrate including a plurality of first electrodes, a plurality of floating electrodes and a plurality of second electrodes, the floating electrodes partially overlapping with the first electrodes and being electrically floated, the second electrodes partially overlapping with the floating electrodes, and a light source module supplying light to the panel module. | 09-20-2012 |
20120293736 | DISPLAY APPARATUS - A display apparatus includes a plurality of pixels. At least one of the pixels includes a gate line, a data line, a first storage line spaced apart from the gate line, a second storage line spaced apart from the gate line and the first storage line, first and second switching devices electrically connected to the gate line and the data line, a first liquid crystal capacitor connected to the first switching device and including the liquid crystal layer as its dielectric substance, a second liquid crystal capacitor connected to the second switching device and including the liquid crystal layer as its dielectric substance, a first storage capacitor connected between the first switching device and one of the first and second storage lines, and a second storage capacitor connected between the second switching device and a remaining one of the first and second storage lines. | 11-22-2012 |
20120306730 | DISPLAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A display substrate includes a driving element, a switching element, a gate line, a data line, a driving voltage line and an electroluminescent element. The driving element includes a driving control electrode formed from a first conductive layer, and a driving input electrode and a driving output electrode formed from a second conductive layer. The switching element includes a switching control electrode formed from the second conductive layer, and a switching input electrode and a switching output electrode formed from a third conductive layer. The gate and data lines are formed from the second and third conductive layers, respectively. The driving voltage line is formed from the third conductive layer. Thus, misalignment between upper and lower patterns may be prevented to improve the reliability of a manufacturing process and increase an aperture ratio, thereby enhancing display quality. | 12-06-2012 |
20130077006 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a gate line, data lines transmitting a first voltage; a transmitting line transmitting a second voltage; and pixels including first and second pixel electrodes. One pixel electrode receives the first voltage through a data line, and the other receives the second voltage through the transmitting line. Branch electrodes of the pixel electrodes alternate, and a stem of the first pixel electrode of a first pixel, faces a stem of the first pixel electrode of a second pixel and a stem of the second pixel electrode of the second pixel, with respect to the data line. Areas of the stem of the first pixel electrode of the second pixel facing the stem of the first pixel electrode of the first pixel, and of the stem of the second pixel electrode of the second pixel facing the stem of the first pixel, are the same. | 03-28-2013 |
20130100095 | VERTICAL ALIGNMENT DISPLAY DEVICE WITH ENHANCED CONTRAST - A vertical alignment liquid crystal display includes two sub-pixels each with a variable capacitor. A pixel is bisected into a high gray sub-pixel and a low gray sub-pixel through forming a variable capacitor at each sub-pixel. With this structure, the sub-pixels express different grays so that lateral visibility is enhanced. It is not required in bisecting a pixel into two sub-pixels to form separate wires for applying different signals thereto, and the amount of data to be processed at the driver for driving the display device is reduced. Furthermore, a pixel is bisected into two sub-pixels with variable capacitors in a simplified manner, and it is not required to form additional wires and elements, so the aperture ratio is enhanced. | 04-25-2013 |
20130201432 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes: a first substrate; a pixel electrode disposed on the first substrate; a second substrate facing the first substrate; a common electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate. The common electrode includes a first cross-shaped cutout overlapping the pixel electrode, and a second cutout parallel to an edge of the pixel electrode, the second cutout being separated from the edge of the pixel electrode. | 08-08-2013 |
20130257914 | ELECTROWETTING DISPLAY DEVICE - A display device includes a display capacitor, a data switching device, and a reset switching device. The data switching device may transmit a data voltage to the display capacitor in response to an activating gate signal that is applied to the data switching device for a activating gate signal duration. The reset switching device may transmit a storage voltage to the display capacitor in response to an activating reset signal that is applied to the first reset switching device for an activating reset signal duration. The storage voltage is configured for resetting a pixel associated with the first display capacitor. The activating reset signal duration is longer than the activating gate signal duration. | 10-03-2013 |
20130258443 | PIXEL STRUCTURE FOR ELECTROWETTING DISPLAY DEVICES AND METHOD OF MANUFACTURING THE SAME - An electrowetting display device includes a first display substrate, a second display substrate and a plurality of pixels having a fluid layer disposed between the first and second display substrates. Each of the pixels has a pixel structure including at least one conductive layer having a star-shape or a fan-shape disposed at a center portion of the pixels insulated by an insulating material inside the first display substrate. | 10-03-2013 |
20130265533 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes: a first substrate; a pixel electrode on the first substrate; a second substrate which faces the first substrate; a common electrode on the second substrate; a liquid crystal layer between the first substrate and the second substrate; and a cross-shaped organic layer protrusion on the first substrate or the second substrate and overlapping the pixel electrode. The edge of the organic layer protrusion is protruded from the edge of the pixel electrode. | 10-10-2013 |
20130271817 | ELECTROWETTING DEVICE - An electrowetting device is provided that includes a lower substrate and an upper substrate facing each other, a first electrode positioned on the lower substrate, an edge electrode positioned on the lower substrate and adjacent to an edge of the first electrode, a hydrophobic insulating layer positioned on the first electrode and the edge electrode, a partition positioned on the lower substrate, a second electrode positioned on the upper substrate, and a first liquid and a second liquid positioned between the upper substrate and the lower substrate, wherein an electric field of a portion where the edge electrode is positioned is smaller than an electric field of a portion where the first electrode is positioned. | 10-17-2013 |
20140063586 | ELECTROWETTING DISPLAY DEVICE - An electrowetting display device includes a plurality of pixels each including an array substrate, an opposite substrate, and an electrowetting layer. The array substrate includes a base substrate, a barrier wall defining a pixel area, a partition wall partitioning the pixel area into a plurality of sub-pixel areas, a hydrophobic layer disposed in the sub-pixel areas, and an electronic device controlling the electrowetting layer. | 03-06-2014 |
20140132867 | LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF - A liquid crystal display includes: a substrate; a thin film transistor on the substrate; a pixel electrode connected with a terminal of the thin film transistor; a microcavity on the pixel electrode, and including a plurality of regions corresponding a pixel area; a liquid crystal layer in the microcavity; a liquid crystal injection hole exposing the microcavity; a common electrode on the microcavity; a supporting member on the common electrode; and a capping layer on the supporting member and covering the liquid crystal injection hole. The pixel electrode is connected with the terminal of the thin film transistor through a contact hole, and the contact hole is within the pixel area. | 05-15-2014 |
20140247409 | LIQUID CRYSTAL DISPLAY - A liquid crystal display according to an embodiment of the present invention includes: first and second substrates opposed to each other; a liquid crystal layer including liquid crystal molecules interposed between the first and second substrates; a gate line formed on the first substrate and transmitting a gate signal; first and second data lines formed on the first substrate and transmitting first and second data voltages having different polarities; a first switching element connected to the gate line and the first data line; a second switching element connected to the gate line and the second data line; and first and second pixel electrodes that are connected to the first and second switching elements, respectively, and separated from each other, wherein the liquid crystal layer has positive dielectric anisotropy. | 09-04-2014 |
20140267449 | DISPLAY PANEL, METHOD OF DRIVING THE SAME AND DISPLAY APPARATUS HAVING THE SAME - A display panel includes a plurality of gate lines, a plurality of date lines and a plurality of pixel portions. The gate lines transfer gate signals. The data lines transfer intersect with the gate lines and transfer data signals. The pixel portions and the data lines, include pixel electrodes, and charge a pixel voltage by using a first gamma signal and a second gamma signal. The first gamma signal is changed from a first level lower than a common voltage to a second level higher than the common voltage as a grayscale is increased. The second gamma signal is changed from a third level higher than the common voltage to a fourth level lower than the common voltage as the grayscale is increased. A display quality of the display apparatus may thus be improved. | 09-18-2014 |
20140354921 | DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A display device may include a first subpixel electrode; a first roof layer; a first liquid crystal layer disposed between the first subpixel electrode and the first roof layer; and a first support member overlapping a first end portion of the first roof layer in a first direction. The display device may further include a second subpixel electrode immediately neighboring the first subpixel electrode; a second roof layer; a second liquid crystal layer disposed between the second subpixel electrode and the second roof layer; and a second support member overlapping a first end portion of the second roof layer in the first direction. The first end portion of the first roof layer and the first end portion of the second roof layer may be disposed between a second end portion of the first roof layer and a second end portion of the second roof layer. | 12-04-2014 |
20150035741 | DISPLAY APPARATUS - A display apparatus includes a base substrate, an array of pixel electrodes formed over the base substrate, an array of active cavities disposed over the array of pixel electrodes, at least one common electrode opposing the array of pixel electrodes such that the array of active cavities are disposed between the at least one common electrode and the array of pixel electrodes. The apparatus further includes a metal line electrically connected with the at least one common electrode in the display area. | 02-05-2015 |
20150036071 | DISPLAY DEVICE - The present invention relates to a display device with an improved contrast ratio. The display device includes: a first insulation substrate; a gate line and a data line positioned on the first insulation substrate, and crossing while being insulated from each other; a color filter positioned on the gate line and the data line; a pixel electrode positioned on the color filter; and a blocking metal layer positioned on a part of the pixel electrode. | 02-05-2015 |
20150061987 | DISPLAY PANEL - A display panel includes a first sub-pixel electrode and a second sub-pixel electrode alternating with each other to form a horizontal electric field, a first data line transmitting a first data voltage to the first sub-pixel electrode, and a second data line transmitting a second data voltage to the second sub-pixel electrode, wherein the second sub-pixel electrode is formed to overlap the first and second data lines. | 03-05-2015 |