Class / Patent application number | Description | Number of patent applications / Date published |
349048000 | Plural nonredundant transistors per pixel | 59 |
20080198290 | ACTIVE DEVICE ARRAY SUBSTRATE AND DRIVING METHOD THEREOF - An active device array substrate including a plurality of scan lines, data lines and pixel units is provided. The pixel units are connected to the scan lines and data lines correspondingly, and each pixel unit includes a first active device, a second active device, a first pixel electrode, and a second pixel electrode. The first active device has a first gate, a first source connected to one of the data lines, and a first drain. The second active device has a second gate, a second source, and a second drain, wherein the first and the second gates are connected to the same scan line. The first and the second pixel electrodes are connected to the first drain and the second drain, respectively. The second source of each pixel unit is connected to the first pixel electrode of an adjacent pixel unit controlled by the next scan line. | 08-21-2008 |
20080211983 | Pixel Control Device and Display Apparatus Utilizing Said Pixel Control Device - A pixel control device and a display apparatus utilizing said pixel control device are provided. The pixel control device is electrically connected to a sub-pixel area to provide a first voltage level, a second voltage level, and a third voltage level to the sub-pixel area, so that liquid crystals can be disposed in various angles. A scan line of the pixel control device controls a first transistor, a second transistor, and a third transistor to be switched on. The first and second data lines thereof provide a first and a second data-referenced voltage levels, respectively, to determine the first, the second, and the third voltage levels. | 09-04-2008 |
20080239190 | PIXEL STRUCTURE AND DRIVING METHOD - A pixel structure includes a scan line, a data line, a first thin film transistor (TFT), a second TFT, a first pixel electrode, a second pixel electrode and a third pixel electrode. The first TFT and the second TFT respectively possessing a first drain electrode and a second drain electrode are electrically connected to the scan line and the data line. The first pixel electrode is electrically connected to the first drain electrode. The second pixel electrode is placed on and coupled to parts of the first drain electrode, and the third pixel electrode is placed on and coupled to parts of the second drain electrode. As a result, the pixel structure is capable of reducing display quality variations arisen from different viewing angles. | 10-02-2008 |
20080259238 | LIQUID CRYSTAL DISPLAY DEVICE - An LCD device comprises a liquid crystal display panel. The liquid crystal display panel comprises a first substrate that has a plurality of pixels divided into a reflective portion and a transmissive portion therein, respectively. The liquid crystal display panel further comprsies a second substrate that faces the first substrate, and a liquid crystal layer between the first substrate and the second substrate. Light introduced into the reflective portion of the first substrate through the second substrate is reflected to the second substrate from the reflective portion, and light introduced into the transmissive portion of the first substrate transmits the first substrate. | 10-23-2008 |
20080266480 | MULTI-DOMAIN VERTICAL ALIGNMENT LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) device. In one embodiment, the LCD device includes a first substrate and a second substrate positioned apart from the first substrate, a liquid crystal layer positioned between the first substrate and the second substrate, and a plurality of pixels formed on the first substrate. Each pixel has a first pixel electrode formed on the first substrate, a second pixel electrode formed on an dielectric layer, wherein the dielectric layer is formed on the first pixel electrode to have a patterned structure with an opening exposing a portion of the first pixel electrode such that the second pixel electrode is connected to the first pixel electrode through the one opening; and an auxiliary common electrode formed on the dielectric layer and distantly surrounding the second pixel electrode. | 10-30-2008 |
20080273135 | Liquid crytal display device having particular pixel region - A liquid crystal display device with a planar counter electrode formed on the first substrate in each pixel region, a pixel electrode formed on the counter electrode by way of an insulation layer, the pixel electrode formed of a first pixel electrode and a second pixel electrode in the pixel region, the first pixel electrode and the second pixel electrode have a large number of slits which are arranged in parallel in the electrodes and the extending direction of the slits is different from both extending directions of the gate lines and the drain lines, and the neighboring sides of the first and the second pixel electrodes are arranged to be parallel to each other, and a portion between the neighboring sides of the first and the second pixel electrodes is positioned above the counter electrode. | 11-06-2008 |
20080291351 | Flat Panel Display - Disclosed is a flat panel display that can prevent image quality degradation by preventing the current transmitted to the organic light emitting diode or liquid crystal of the flat panel display from being changed by the leakage current and keeping the current stably. The flat panel display comprises: a first switching element whose control electrode is electrically coupled to a scan line, being electrically coupled between a data line and a first voltage line; a second switching element whose control electrode is electrically coupled to the scan line, being electrically coupled between the first switching element and first voltage line; a capacitive element whose first electrode is electrically coupled between the first and second switching elements; a drive transistor whose control electrode is electrically coupled to the second switching element, being electrically coupled between the first voltage line and a second voltage line; and an organic light emitting diode electrically coupled between the drive transistor and second voltage line. | 11-27-2008 |
20080291352 | DIGITAL CIRCUIT HAVING CORRECTING CIRCUIT AND ELECTRONIC APPARATUS THEREOF - Provided is a digital circuit ( | 11-27-2008 |
20080303970 | PIXEL STRUCTURE - A pixel structure includes a gate, a source, a first drain, a second drain, a third drain, a first pixel electrode, a second pixel electrode, a scan line and a data line. The gate, the source and the first drain form a first thin film transistor. The gate, the source and the second drain form a second thin film transistor. The gate, the second drain and the third drain form a sub-thin film transistor (sub-TFT). Additionally, the first pixel electrode is electrically connected to the first drain, and the second drain extends to a portion between the second pixel electrode and the substrate such that a capacitor-coupling electrode is formed. Moreover, the second pixel electrode is electrically connected to the third drain of the sub-TFT. The scan line is disposed on the substrate and electrically connected to the gate, and the data line is electrically connected to the source. | 12-11-2008 |
20080309840 | PIXEL ELEMENT AND LIQUID CRYSTAL DISPLAY - A pixel element and a liquid crystal display with discharge function are disclosed. In each of the pixel elements of the liquid crystal display, a transistor is disposed between the common electrode and the pixel electrode. The transistor will be turned on by a discharge signal sent from the master control unit of the liquid crystal display when the liquid crystal display is turned on or turned off, so as to provide the same common voltage to both the common electrode and the pixel electrode. Therefore, the positive and negative charges accumulated in the common electrode and the pixel electrode can be removed and the liquid crystal display is well protected. | 12-18-2008 |
20090027581 | LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE SAME - A LCD and a method of driving the LCD are provided. The LCD includes first and second gate lines extending in a first direction, a data line insulated from the first gate line and crossing the first gate line, a pixel electrode including first and second sub-pixel electrodes, the pixel electrode being disposed in a pixel having a long side in the first direction, a first thin film transistor (TFT) connected to the first gate line, the data line, and the first sub-pixel electrode, a second TFT connected to the first gate line, the data line, and the second sub-pixel electrode, and a third TFT connected to the second gate line, the second sub-pixel electrode, and a charge-sharing capacitor, the charge-sharing capacitor sharing a data voltage applied to the second sub-pixel electrode. | 01-29-2009 |
20090033821 | OPTICALLY COMPENSATED BEND MODE LIQUID CRYSTAL DISPLAY DEVICES - An OCB mode liquid crystal display device is provided. The OCB mode liquid crystal display device comprises a first substrate, a second substrate and a liquid crystal layer interposed therebetween. The first substrate and the second substrate are disposed oppositely to each other. The device further comprises a first pixel electrode disposed on the first substrate, a second pixel electrode disposed on the first substrate and spaced apart from the first pixel electrode by a distance. The first pixel electrode and second pixel electrode are alternately arranged. The device further comprises a first alignment layer disposed on the first substrate to cover the first pixel electrode and the second pixel electrode, a common electrode disposed on the second substrate, and a second alignment layer disposed on the second substrate covering the common electrode. | 02-05-2009 |
20090040412 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display includes first and second thin film transistors, a pixel electrode including a first cutout and an inclination direction determining member and connected to the first thin film transistor, a direction controlling electrode connected to the second thin film transistor, a first storage electrode overlapping with the pixel electrode and the direction controlling electrode and applied with a first storage electrode signal having a first voltage, and second storage electrode overlapping with the direction controlling electrode to receive a second storage electrode signal having a second voltage that periodically changes. | 02-12-2009 |
20090040413 | Thin film transistor substrate assembly, and liquid crystal display having same - An exemplary thin film transistor (TFT) substrate assembly includes a substrate, a plurality of gate lines disposed on an inner surface of the substrate, a plurality of data lines disposed insulated with the gate lines. The plurality of gate lines and the plurality of data lines define a plurality of pixel regions. Each pixel region includes a first switch element, a second switch element, a first pixel electrode, and a second pixel electrode. The first switch element and the second switch element are connected with a same gate line from the plurality of gate lines. The first pixel electrode is applied with data signals from a data line from the plurality of data lines via the first switch element. The second pixel electrode is applied with data signals from the data line from the plurality of data lines via the second switch element and a voltage dividing element. | 02-12-2009 |
20090040414 | LIQUID CRYSTAL PIXEL MEMORY, LIQUID CRYSTAL DISPLAY, AND METHODS OF DRIVING THE SAME - A liquid crystal display includes a pair of support substrates, a liquid crystal layer held between the substrates, and pixel circuits that are arrayed in a matrix on one of the substrates and control the alignment state of liquid crystal molecules. Each pixel circuit includes first and second power terminals, first and second pixel electrodes that apply a liquid crystal drive voltage to the liquid crystal layer to create a substantially lateral electric field, and first and second drive transistors that have gate electrodes for receiving a video signal, that are connected between the first power terminal and the first pixel electrode and between the second power terminal and the second pixel electrode, respectively, and that cause the liquid crystal drive voltage determined by conductances that vary in accordance with the video signal, to be retained in a liquid crystal capacitance between the first and second pixel electrodes. | 02-12-2009 |
20090046216 | Liquid crystal display having electrically floating thin film transistor within sub pixel unit - An LCD includes data lines, gate lines intersecting with the data lines, and pixel units. Each pixel unit is defined by a minimal area formed by two adjacent data lines and two adjacent gate lines. Each pixel unit includes a first sub pixel unit and a second sub pixel unit. The first sub pixel unit includes a first thin film transistor (TFT) and a first pixel electrode. The second sub pixel unit includes a second TFT and a second pixel electrode. A gate electrode of the first TFT is connected to the gate line, a source electrode of the first TFT is connected to the data line. A source electrode of the second TFT is connected to a same data line, and a gate electrode of the second TFT is electrically floating. | 02-19-2009 |
20090086118 | ARRAY SUBSTRATE, DISPLAY PANEL HAVING THE SAME AND METHOD OF DRIVING THE SAME - An array substrate includes first and second gate lines, a data line, a pixel electrode, a domain electrode, first, second and third switching elements, and a voltage-changing part. The domain-dividing electrode divides the first and second pixel parts into a plurality of areas. The first, second and third switching elements are controlled by a first gate signal applied from the first gate line. The first, second and third switching elements apply a data signal received from the data line to the first and second pixel parts and the domain-dividing electrode, respectively. The voltage-changing part is controlled by a second gate signal applied from the second gate line. The voltage-changing part increases a voltage level of the domain-dividing electrode and decreases a voltage level of the second pixel part. | 04-02-2009 |
20090091679 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (“LCD”) includes: a liquid crystal panel having a reflective region in which a first image is displayed in a first viewing direction and a transmissive region in which a second image is displayed in a second different viewing direction; a first optical film assembly disposed on a first surface of the liquid crystal panel and including a first phase-difference film which has a first phase difference, and a first polarizing film; a second optical film assembly disposed on a second opposite surface of the liquid crystal panel and including a second phase-difference film which has a second phase difference, and a second polarizing film; and a phase-difference compensating film disposed on at least one of the first polarizing film and the second polarizing film. The phase-difference compensating film circularly or elliptically polarizes light. | 04-09-2009 |
20090122214 | DISPLAY PANEL AND METHOD OF MANUFACTURING A DISPLAY SUBSTRATE OF THE DISPLAY PANEL - A display panel includes n gate lines, a data line, a first pixel and a second pixel. The gate lines extend in a first direction. The data line extends in a second direction transverse to the first direction. The first pixel includes a first pixel electrode connected to one of the (n−1) gate lines to receive a data voltage through the data line. The second pixel includes a second pixel electrode and a light-blocking pattern. The second pixel electrode is connected to the (n)-th gate line to receive the data voltage through the data line. The light-blocking pattern obscures the second pixel to possibly reduce a luminance difference between the first and second pixels. | 05-14-2009 |
20090153763 | Method for fabricating liquid crystal display device - A thin film transistor including: an active layer on a substrate, the active layer having at least two unit channels; and source and drain electrodes on the active layer, wherein an interval D between each of the channels is larger than a unit channel width W. | 06-18-2009 |
20090174836 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes: a substrate; a pixel electrode disposed on the substrate and having a first subpixel electrode and a second subpixel electrode; and a common electrode facing the pixel electrode, wherein the first subpixel electrode has a pair of bent edges substantially parallel to each other, the second subpixel electrode has a pair of bent edges substantially parallel to each other, and the second subpixel electrode has a height greater than a height of the first subpixel electrode. | 07-09-2009 |
20090185095 | Liquid Crystal Display - A liquid crystal display capable of improving a color reproduction range is disclosed. The liquid crystal display includes a liquid crystal panel having a plurality of gate lines and a plurality of data lines which cross each other to define a plurality of unit pixel regions; a first pixel region having a first dot pitch among individual pixel regions in at least one of the unit pixel regions; and a second pixel region having a second dot pitch among the individual pixel regions in the unit pixel regions, wherein the first and second dot pitches of the first and second pixel regions are different from each other. By this configuration, the pixel electrodes are formed to have the same opening ratio in the individual pixel regions forming a unit pixel by changing the shape and size of the pixel electrodes in a region having a sensor and a region without a sensor, thereby improving a color reproduction range and improving the display quality of the liquid crystal display. | 07-23-2009 |
20090190058 | LIQUID CRYSTAL DISPLAY - A liquid crystal display according to the present invention includes a first substrate and a second substrate facing each other, a pixel electrode disposed on the first substrate and including a first sub-pixel electrode and a second sub-pixel electrode spaced apart from the first sub-pixel electrode by a gap, a common electrode disposed on the second substrate, a shielding member disposed on the first substrate or the second substrate and overlapping the gap between the first sub-pixel electrode and the second sub-pixel electrode, an alignment layer disposed on at least one of the pixel electrode and the common electrode, and a liquid crystal layer disposed between the first substrate and the second substrate. | 07-30-2009 |
20090195725 | LIQUID CRYSTAL DISPLAY - A thin film transistor array panel is provided, which includes: a substrate; a plurality of first signal lines formed on the substrate; a plurality of second signal lines intersecting the first signal lines to define pixel areas; first and second pixel electrodes disposed substantially in a pixel area and having different areas; a plurality of thin film transistors connected to the first and the second signal lines and at least one of the first and the second pixel electrodes; a coupling electrode overlapping the second pixel electrode; and a tilt direction defining member for determining tilt directions of liquid crystal molecules formed on the substrate. | 08-06-2009 |
20090213290 | Liquid crystal display device - A column for defining the interval between a TFT substrate and an opposed substrate is formed at a crossing point between a drain line and a scanning line. At the crossing point where the column is formed, the drain line is formed to have a wider width to prevent light leakage. Further, at the crossing point where the column is formed, the scanning line is formed to have a narrower width to prevent increase of capacitance between the drain line and the scanning line. The column is formed at a crossing point corresponding to a specific color, e.g., a blue pixel B, so that a difference in transmittance and in characteristic of thin film transistors due to formation of the column is initially compensated. | 08-27-2009 |
20090244424 | LIQUID CRYSTAL DISPLAY, THIN FILM TRANSISTOR SUBSTRATE AND METHOD THEREOF - A liquid crystal display (“LCD”) capable of improving display quality includes a first insulating substrate, gate wiring lines formed on the first insulating substrate and extending in a first direction, pixel electrodes, each of which includes first and second sub-pixel electrodes that are, respectively, applied with different data voltages from first and second wiring lines insulated from and crossing the gate wiring lines, extending in a second direction and an insulting layer interposed between the first data wiring line and the second data wiring line overlapped by the first data wiring line. Therefore, an aperture ratio of the LCD increase because the first data wiring line overlapped the second data wiring line have less area between pixel electrodes. A display quality of the LCD improves. | 10-01-2009 |
20090244425 | LIQUID CRYSTAL DISPLAY - The present invention relates to a liquid crystal display including a pixel electrode including a first subpixel electrode and a second subpixel electrode spaced apart with a gap therebetween, a common electrode facing the pixel electrode, and a liquid crystal layer formed between the pixel electrode and the common electrode and including a plurality of liquid crystal molecules. The first and second subpixel electrodes include a plurality of branches, and each of the first and second subpixel electrodes includes a plurality of subregions. The branches extend in different directions in different subregions. | 10-01-2009 |
20090244426 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - An array substrate of a liquid crystal display includes an insulating substrate, signal line groups supported by the insulating substrate and each including first and second signal lines, and pixel circuits arranged along the signal line groups. Each of the pixel circuits includes first and second pixel electrodes, a first switch connected between the first pixel electrode and the first signal line, and a second switch connected between the second pixel electrode and the second signal line. | 10-01-2009 |
20090251631 | DISPLAY DEVICE INCLUDING COLOR FILTERS - A display device that is divided into a plurality of pixel regions including first, second, and third pixel regions includes a first color filter occupying the first pixel region and a second color filter occupying the second pixel region, which neighbors the first pixel region, and overlapping the first color filter. The first color filter is disposed on the second color filter in the overlapping region of the first color filter and the second color filter, and a central line of the overlapping region deviates from the boundary line between the first pixel region and the second pixel region. | 10-08-2009 |
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 |
20090268118 | ACTIVE DEVICE ARRAY SUBSTRATE, LIQUID CRYSTAL DISPLAY PANEL, ELECTRO-OPTICAL DEVICE, METHOD FOR FABRICATING THE SAME, AND METHODS FOR DRIVING THE SAME - An active device array substrate is provided. The active device array substrate includes a plurality of pixel units. Each of the pixel units includes a first active device, a first scan line, a second active device, a second scan line, a data line, a common line, and a pixel electrode. The first scan line is electrically connected to a first gate of the first active device. The second scan line is electrically connected to a second gate of the second active device. The data line is electrically connected to a first source of the first active device. The common line is electrically connected to a second source of the second active device. The pixel electrode is electrically connected to a first drain of the first active device and a second drain of the second active device. | 10-29-2009 |
20090279013 | Display device and method of manufacturing the same - A display device includes a plurality of gate lines and a plurality of data lines crossing each other on a first substrate, to define a pixel; a first thin film transistor in a portion where the gate lines and the data lines cross each other; a plurality of position detection lines on the first substrate, the position detection lines spaced a constant distance from the data lines and crossing the gate lines; a second thin film transistor for detecting a position, in a portion on the first substrate where the gate lines and the position detection lines cross each other; a protrusion pattern protruding from a second substrate and corresponding to a drain electrode of the second thin film transistor; and a transparent conductive layer on the protrusion pattern, electrically connected to the drain electrode when touching. | 11-12-2009 |
20090322977 | Array Substrate of Liquid Crystal Display - An array substrate of a liquid crystal display, comprising a first scan line and a second scan line, a first data line and a second data line arranged crossing with the first scan line and the second scan line to define a pixel region, and a pixel electrode in the pixel region, wherein the second data line comprises at least a first branch and a second branch that are electrically connected to each other. According to the invention, it is not necessary to provide the array substrate with additional space for disposing repair lines, and the non-display region is therefore not increased, resulting in an increased yield. Only a short length of repair lines is used in repair, and thus both electrical resistance of repair line and distortion of data signals can be reduced. | 12-31-2009 |
20100020259 | DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE DISPLAY SUBSTRATE AND DISPLAY DEVICE HAVING THE DISPLAY SUBSTRATE - A display substrate includes; a dual transistor electrically connected to a first gate line and a data line, which is disposed in a direction substantially perpendicular to the first gate line, the dual transistor including a first drain electrode and a second drain electrode, a pixel electrode having a first pixel part and a second pixel part which are respectively connected to the first drain electrode and the second drain electrode, a connection transistor electrically connected to the second pixel part and a second gate line which is adjacent to the first gate line, the connection transistor comprising a connection drain electrode, a voltage-decreasing electrode extended from a connection drain electrode of the connection transistor a voltage-decreasing line extended in substantially the same direction as the first and second gate lines, and disposed on a data insulation layer overlapping the voltage-decreasing electrode and the data insulation layer. | 01-28-2010 |
20100053488 | LIQUID CRYSTAL DISPLAY - A liquid crystal display according to an exemplary embodiment of the present invention includes a first substrate and a second substrate. Gate lines are arranged on the first substrate, and an insulating layer is arranged on the gate lines. Data lines, first drain electrodes, and second drain electrodes are arranged on the insulating layer. First sub-pixel electrodes and second sub-pixel electrodes are connected to the first drain electrodes and second drain electrodes, respectively. Storage electrode lines are parallel to the gate lines, and traverse at least one of the first sub-pixel electrodes and second sub-pixel electrodes. A first polarizer is disposed on an outer surface of the first substrate, and a second polarizer is disposed on an outer surface of the second substrate. A first λ/4 plate is disposed between the first substrate and the first polarizer, and a second λ/4 plate is disposed between the second substrate and the second polarizer. A diffuser is disposed on an outer surface of the second polarizer. The storage electrode lines receive storage voltages that vary periodically. | 03-04-2010 |
20100053489 | PIXEL ARRAY SUBSTRATE - A pixel array substrate includes a pixel region and a circuit region adjacent to the pixel region. A plurality of display pixel units are disposed in the pixel region and a plurality of dummy pixel units are disposed in the circuit region. Each of the dummy pixel units includes a data line, a scan line, a plurality of switching elements and a plurality of pixel electrodes. The switching elements are electrically connected to the scan line and data line. The pixel electrodes are electrically connected to the switching elements. Particularly, electrostatic currents in the pixel region can be dissipated by the dummy pixel units in the circuit region. The dummy pixel units preserve the continuity of electricity in the pixel array substrate and function as an inner short ring. Therefore, the area of the circuit region on the pixel array substrate is larger. | 03-04-2010 |
20100053490 | LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING THE SAME - A liquid crystal display includes a first substrate, a gate line and first and second data lines disposed on the first substrate, a first thin film transistor connected to the gate line and the first data line, a second thin film transistor connected to the gate line and the second data line, a color filter disposed on the first substrate, a protrusion disposed on the color filter, a first pixel electrode including a first linear electrode disposed on the protrusion and connected to the first thin film transistor, a second pixel electrode including a second linear electrode disposed on the protrusion and connected to the second thin film transistor, a second substrate disposed facing the first substrate, and blue phase liquid crystal disposed between the first substrate and the second substrate. | 03-04-2010 |
20100097538 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a first substrate; a second substrate which faces the first substrate; and a liquid crystal which is interposed between the first and second substrates. A plurality of scanning lines and signal lines arranged in a matrix shape, a plurality of switching elements arranged in the vicinities of intersections of the scanning lines and the signal lines in a display area, a plurality of pixel electrodes electrically connected to the switching elements, and a plurality of dummy pixels formed in a non-display area located in the periphery of the display area are formed on the first substrate close to a liquid crystal layer. Each of the plurality of dummy pixels is provided with a plurality of switching elements connected to the scanning line or the signal line, the plurality of switching elements are connected to each other in parallel, and one electrode of each of the switching elements is connected to a wiring to be supplied with a common potential. | 04-22-2010 |
20100141860 | LIQUID CRYSTAL DISPLAY - A liquid crystal display according to an embodiment of the present invention includes: a first substrate; a plurality of color filters formed on the first substrate and arranged in a matrix with an island shape; a plurality of pixel electrodes formed on the color filters; and a capacitor disposed between neighboring color filters in a column direction among the color filters, wherein two terminals forming the capacitor are disposed at a portion outside a position overlapping the color filters. | 06-10-2010 |
20100157189 | TFT-LCD ARRAY SUBSTRATE AND DRIVING METHOD THEREOF - The present invention relates to a TFT-LCD array substrate and a driving method thereof. The TFT-LCD array substrate comprises a substrate, on which pixel regions arranged in matrix are formed, a first pixel electrode and a first thin film transistor located in an odd column and a second pixel electrode and a second thin film transistor located in an even column are formed in each pixel region; a first gate line and a second gate line are formed in each pixel region, the first gate line is connected to gate of the first thin film transistor, and the second gate line is connected to gate of the second thin film transistor; one data line is formed in each pixel region, and the data line is connected to source of the first thin film transistor and source of the second thin film transistor, respectively. The present invention reduces the number of data lines and the number of data driving chips or the pins thereof, or, reduces the number of the gate lines and the number of scan driving chips or the pins thereof, and reduces the production cost of the TFT-LCD. | 06-24-2010 |
20100171896 | LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS - A liquid crystal display device includes a first substrate, a first thin film transistor for pixel selection formed on the first substrate, a pixel electrode and a common electrode formed above the first thin film transistor of the first substrate, a second substrate provided above the pixel electrode and the common electrode via a liquid crystal layer, a shield electrode formed on a surface of the second substrate, and the shield electrode and an interconnection, which supplies specific AC or DC potential, and is turned on by potential larger than a predetermined potential. | 07-08-2010 |
20100182528 | LIQUID CRYSTAL DISPLAY AND PANEL THEREFOR - A flat panel display having an improved picture quality is disclosed. In one embodiment, a first pixel electrode and a second pixel electrode are formed in each subpixel area. The electrodes enclose an open space (gap) such that their outer boundary has a substantially rectangular shape. The flat panel display may also include a capacitance electrode coupled to the second pixel electrode to form a coupling capacitor. In use, the coupling capacitor operates such that a magnitude of a voltage applied to the first pixel electrode is lower than an applied data voltage, and a magnitude of a voltage applied to the second pixel electrode is higher than an applied voltage. The different voltages operate such that a tilt direction of LC molecules disposed above the first pixel electrode differs from a tilt direction of LC molecules disposed above the second pixel electrode. | 07-22-2010 |
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 |
20100225841 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a first substrate; a second substrate facing the first substrate; a pair of field generating electrodes disposed on at least one of the first and the second substrates; and a liquid crystal layer disposed between the first and the second substrates; wherein the liquid crystal layer includes a liquid crystal composition including a polar compound, the polar compound including a compound represented by Formula 1: | 09-09-2010 |
20100225842 | LIQUID CRYSTAL DISPLAY INCLUDING STEP-DOWN CAPACITOR - A liquid crystal display includes; first sub-pixel electrodes and second sub-pixel electrodes, a plurality of first thin film transistors connected to the first sub-pixel electrode, a plurality of second thin film transistors connected to the second sub-pixel electrode, a plurality of third thin film transistors connected to the second sub-pixel electrode, a plurality of first gate lines connected to the first and second thin film transistors, a plurality of data lines connected to the first and second thin film transistors, a plurality of second gate lines connected to the third thin film transistors, and a capacitor electrode line including a capacitor electrode which is vertically aligned the drain electrodes of the third thin film transistors, wherein the capacitor electrode line is applied with a voltage that is less than a minimum value of a voltage applied to the data line or more than a maximum value thereof. | 09-09-2010 |
20100238369 | DISPLAY SUBSTRATE AND DISPLAY APPARATUS HAVING THE SAME - A display substrate may include a substrate, a first pixel electrode, a first switching element, and a second switching element. The first pixel electrode may be disposed in a first pixel area of the substrate and may include high and low electrodes. Short sides of the first pixel area may be defined by first and second data lines adjacent to one other. A long side of the first pixel area may be defined by a first gate line. The high electrode may be adjacent to the first data line, and the low electrode may be adjacent to the second data line. The first switching element may be electrically connected to the first gate line and the first data line, and may contact the high electrode. The second switching element may be electrically connected to the first gate line and the second data line, and may contact the low electrode. | 09-23-2010 |
20100245700 | TFT-LCD ARRAY SUBSTRATE, MANUFACTURING METHOD THEREOF, AND LIQUID CRYSTAL DISPLAY PANEL - A TFT-LCD array substrate, a manufacturing method thereof and a liquid crystal display panel are provided in the invention. The TFT-LCD array substrate comprises a plurality of first gate lines and a plurality of first data lines, and a plurality of pixel regions are defined by intersecting the first gate lines and the first data lines with each other. A first pixel electrode and a first TFT are formed in each of the pixel regions, and a second TFT and a second pixel electrode are further comprised in each of the pixel regions. The second TFT is connected with the second pixel electrode, the first pixel electrode and the second pixel electrode form the voltage difference to drive the reversion of the liquid crystal molecules, and the first TFT and the second TFT are turned on or off simultaneously. | 09-30-2010 |
20100253869 | PIXEL ARRAY, LIQUID CRYSTAL DISPLAY PANEL, AND ELECTRO-OPTICAL APPARATUS - A pixel array including first scan lines, second scan lines, data lines, and sub-pixels is provided. Each sub-pixel includes a first switch, a second switch, a first pixel electrode electrically connected to the first switch, a second pixel electrode electrically connected to the second switch, a third switch, and common lines connected with each other and disposed under the first and the second pixel electrode. The first and the second switch are electrically connected to the same first scan line and data line. The first scan line is located between the first and second pixel electrode. The third switch is electrically connected to the second scan line and the first pixel electrode and has a floating terminal. The floating terminal is capacitively coupled to the second pixel electrode to form a first capacitor and capacitively coupled to the common line under the second pixel electrode to form a second capacitor. | 10-07-2010 |
20110019118 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device which can reduce a circuit scale of a drive circuit is provided. A TFT substrate of the liquid crystal display device includes a pixel circuit in each pixel, and the pixel circuit includes a thin film transistor, a pixel electrode which is connected to a source side of the thin film transistor, and a common electrode which is one planar transparent electrode extending in a display region in a planar shape. A vertical drive circuit includes a transistor which is driven by a control signal voltage including a clock signal from a drive IC, and constitutes a damper for a high voltage. The drive IC outputs an equalizing switch signal voltage to equalizing switches which connect the common electrode and data signal lines. | 01-27-2011 |
20110032446 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A liquid crystal display device includes: a first gate line and a second gate line on a first substrate; a first data line and a second data line crossing the first and second gate lines to define a pixel region; a first thin film transistor connected to the first gate line and the first data line; a second thin film transistor connected to the first gate line and the second data line; a first pixel electrode in the pixel region and connected to the first thin film transistor; a second pixel electrode in the pixel region, connected to the second thin film transistor and including at least one opening therein; a common electrode on a second substrate; and a liquid crystal layer between the second pixel electrode and the common electrode. | 02-10-2011 |
20110170032 | LIQUID CRYSTAL DISPLAY AND PANEL THEREFOR - A flat panel display having an improved picture quality is disclosed. In on embodiment, a first pixel electrode and a second pixel electrode are formed in each subpixel area. The electrodes enclose an open space (gap) such that their outer boundary has a substantially rectangular shape. The flat panel display may also include a capacitance electrode coupled to the second pixel electrode to form a coupling capacitor. | 07-14-2011 |
20110261278 | LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A liquid crystal display is provided that includes a first substrate; a second substrate facing the first substrate; a field generating electrode disposed on at least one of the first substrate and the second substrate; an alignment layer disposed on the field generating electrode; and a liquid crystal layer interposed between the first substrate and the second substrate and including a liquid crystal and an alignment polymer. The alignment layer initially contains an alignment material including an initiator, and the alignment polymer initially contains an alignment aid. | 10-27-2011 |
20120162562 | Liquid Crystal Display Device - A liquid crystal display device having an active matrix display panel with pixel regions having two pixel electrodes and two TFT elements thereon. The two pixel electrodes are formed in each of the pixel regions, the two pixel electrodes are connected to different ones of the two TFT elements and one counter electrode is formed in each of the pixel regions, the counter electrode being formed between a layer of the pixel electrode and a first substrate. Each pixel electrode in the pixel regions has plural slits, the slits in each pixel electrode extending in two directions, and the slits extend in a direction which is not parallel to an extending direction of either of a video signal line or a scanning signal line formed on the first substrate. The two pixel electrodes in the pixel region have adjacent pixel electrode sides which are parallel to each other. | 06-28-2012 |
20150009446 | LCD PANEL AND A METHOD OF MANUFACTURING THE SAME - A liquid crystal display panel and a method of manufacturing the same are proposed. A bottom electrode of an electrode used as a storage capacitor is disposed between a scan line and a voltage controlling line. A first conducting area and a second conducting area of another electrode used as the storage capacitor are formed by a transparent conducting layer. Because the storage capacitor is formed between the scan line and the voltage controlling line, a second sub-pixel electrode has larger layout space. The aperture ratio of the second sub-pixel electrode is increased accordingly. | 01-08-2015 |
20150036073 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a display substrate which includes a plurality of pixel areas and is curved in a first direction, an opposite substrate which faces the display substrate, is coupled to the display substrate, and is curved along the display substrate, and a liquid crystal layer disposed between the display substrate and the opposite substrate, where a plurality of domains are defined in each of the plurality of pixel areas, directions in which liquid crystal molecules of the liquid crystal layer are aligned are different from each other in at least two domains among the plurality of domains, and the plurality of domains is arranged in a second direction crossing the first direction. | 02-05-2015 |
20150049279 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - A display device comprising TFT elements having satisfactory characteristics and being easy to assemble. In the display device, a pixel emitting red light comprises a red color filter. The red color filter forms a light shielding film for the TFT elements in a driver circuit portion or in a pixel portion. | 02-19-2015 |
20150055051 | Displays With Silicon and Semiconducting Oxide Thin-Film Transistors - An electronic device may include a display having an array of display pixels on a substrate. The display pixels may be organic light-emitting diode display pixels or display pixels in a liquid crystal display. In an organic light-emitting diode display, hybrid thin-film transistor structures may be formed that include semiconducting oxide thin-film transistors, silicon thin-film transistors, and capacitor structures. The capacitor structures may overlap the semiconducting oxide thin-film transistors. Organic light-emitting diode display pixels may have combinations of oxide and silicon transistors. In a liquid crystal display, display driver circuitry may include silicon thin-film transistor circuitry and display pixels may be based on oxide thin-film transistors. A single layer or two different layers of gate metal may be used in forming silicon transistor gates and oxide transistor gates. A silicon transistor may have a gate that overlaps a floating gate structure. | 02-26-2015 |
20150109554 | THIN FILM TRANSISTOR ARRAY PANEL AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A thin film transistor array panel includes: first to third gate lines extending in one direction and parallel to each other; a data line insulated from and intersecting the first to third gate lines; a first thin film transistor connected to the first gate line and the data line; a second thin film transistor connected to the second gate line and an output terminal of the first thin film transistor; a third thin film transistor connected to the third gate line and the data line; a fourth thin film transistor connected to the second gate line and an output terminal of the third thin film transistor; and first to fourth sub-pixel electrodes respectively connected to the first to fourth thin film transistors. | 04-23-2015 |
20160202511 | DISPLAY DEVICE | 07-14-2016 |