Entries |
Document | Title | Date |
20080198282 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) including an LCD panel, a gate driver and a data driver is provided. The LCD panel has pixel units, scan lines and several pairs of data lines. Each of the pixel units is electrically connected to a corresponding scan line and a corresponding pair of data lines and has two display regions respectively connected to different data lines. Besides, the gate driver is electrically connected to several scan lines. The data driver is electrically connected to several pairs of data lines. The data driver has a voltage difference generator electrically connected to several pairs of data lines such that the voltages outputted by the pair of data lines are maintained at a fixed voltage difference. Thus, the invention simplifies the complexity of circuit signal processing and lowers the production cost of circuits. | 08-21-2008 |
20080198283 | Display apparatus - A display panel includes a plurality of gate lines, a plurality of data lines and a plurality of pixel groups. The gate lines extend in a first direction and sequentially receive gate signals, and the data lines extend in a second direction that is substantially perpendicular to the first direction and receive data signals. Each pixel group includes first, second and third vertical pixels that extend in the second direction and are sequentially arranged in the first direction. The first to third vertical pixels are arranged horizontally and are electrically connected to three consecutive gate lines to receive gate signals, and are connected to two or fewer data lines to receive the data signals. | 08-21-2008 |
20080218646 | Liquid Crystal Display Device and Method for Driving the Same | 09-11-2008 |
20080218647 | Liquid crystal display device - A liquid crystal display device includes: a liquid crystal panel including a plurality of pixel cells formed at every regions defined by a plurality of data lines and gate lines; a gate built-in circuit, built-in the liquid crystal panel, for supplying gate-on voltages to the gate lines; a driving integrated circuit for driving the gate built-in circuit and supplying video signals to the data lines; and a pad region including a plurality of input/output terminals electrically connected to input/output bumps of the driving integrated circuit in the liquid crystal panel. | 09-11-2008 |
20080218648 | LIQUID CRYSTAL DEVICE, METHOD OF DRIVING LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - A liquid crystal device includes a first substrate, a second substrate, liquid crystal which is in between the first and the second substrate, and a detection electrode provided on a side of the first substrate, opposite to a side of the liquid crystal. The second substrate includes pixel electrodes connected through switching elements to signal lines, opposite electrodes formed between the pixel electrodes and the liquid crystal and are connected to control lines, a selection circuit that conducts the switching element during a selection period and interrupts conduction after the selection period has elapsed, a signal supplying circuit which supplies a data electric potential during the selection periods, a electric potential control circuit which sets the control lines to an predetermined electric potential when the scanning lines to the control line is selected and sets to a reference electric potential after the selection period has elapsed. | 09-11-2008 |
20080225189 | Transflective liquid crystal display panel and liquid crystal display panel module - In accordance with one embodiment of the present invention, a first pixel of an LCD panel is driven via a first scan line to a first pixel voltage during a first scan period and to a second pixel voltage during a second scan period. Also, a second pixel is driven via the first scan line and a second scan line to the first pixel voltage during the first scan period. | 09-18-2008 |
20080231769 | Liquid crystal display device and method of driving the same - A liquid crystal display device and a method of driving the same is disclosed. The liquid crystal display device includes a liquid crystal panel including a liquid crystal panel including a plurality of first and second pixel cells supplied with data of the opposite polarities to display a picture, and a pre-charging unit to electrically connect a first one of the first pixel cells and a first one of the second pixel cells to each other just prior to a period of supplying the data to the first ones first and second pixel cells, and to electrically disconnect the first ones of the first and second pixel cells from each other for a period of supplying the data to the first and second pixel cells. | 09-25-2008 |
20080239180 | LIQUID CRYSTAL DISPLAY DEVICE - The present invention aims to reduce flickers of the liquid crystal display device and enable the use of liquid crystal material exhibiting a high response speed, and to enhance light usage efficiency of the field sequential type liquid crystal display device. After writing the video signal to all the pixels in each sub-frame period, a correction voltage signal or an alternating signal having a frequency of greater than or equal to a certain frequency is input to the data line, so that the magnitude of the leakage current of each pixel TFT caused by the difference in polarity of the video signal with respect to the opposing electrode written to the pixel electrode is equalized, and the flickers are greatly reduced. | 10-02-2008 |
20080246898 | LIQUID CRYSTAL DISPLAY PANEL AND ACTIVE MATRIX SUBSTRATE THEREOF - An active matrix substrate is provided. The active matrix substrate includes a substrate, scan lines, data lines, pixel units, and connecting lines. The scan lines, data lines, pixel units, and connecting lines are all disposed over the substrate. The pixel unit includes an active component, a first pixel electrode, a second pixel electrode, and a third pixel electrode. The active components are electrically connected with the scan lines and data lines. The first pixel electrode and the second pixel electrode are disposed at the two opposite sides of the scan line, and electrically connected with the active component. The third pixel electrode is electrically insulated from the active component. In the pixel units arranged in a same column, each of the third pixel electrodes is electrically connected with the second pixel electrode controlled by a previous scan line through the corresponding connecting line. | 10-09-2008 |
20080252802 | LIQUID CRYSTAL DISPLAY AND ACTIVE MATRIX SUBSTRATE THEREOF - An active matrix substrate is provided. The active matrix substrate includes a substrate, scan lines, data lines, and pixel units. The scan lines, data lines, and pixel units are all disposed over the substrate. The pixel unit includes an active component, a pixel electrode, and an auxiliary electrode. The active components are electrically connected with the scan lines and data lines. The pixel electrode has openings extended from the edge of the pixel electrode to the interior of the pixel electrode. The auxiliary electrode is electrically connected with the pixel electrode controlled by a previous scan line and includes a body portion and extending portions disposed in the openings. The pixel electrode is electrically connected with the auxiliary electrode of a pixel unit controlled by a next scan line. | 10-16-2008 |
20080273129 | LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus includes a liquid crystal modulation element having a liquid crystal layer and first and second electrodes, and a controller performs control for an electric potential difference applied between the electrodes such that an electric field applied to the liquid crystal layer is inverted between positive and negative. The controller switches the control between first control and second control. The first control controls the electric potential difference such that one of an absolute value of a time-integrated value of the positive electric field applied to the liquid crystal layer and an absolute value of a time-integrated value of the negative electric field applied thereto is larger than the other, and the second control controls the electric potential difference such that the other absolute value of the time-integrated value is larger than the one absolute value of the time-integrated value. | 11-06-2008 |
20080278644 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal display panel having a display section which is composed of a plurality of display pixels, a driving unit which drives the display pixels, and a control unit which controls the driving unit. A first substrate includes pixel electrodes which are disposed in association with the plurality of display pixels. A second substrate includes a counter-electrode which is opposed to the plurality of pixel electrodes. A pair of alignment films are disposed on the plurality of pixel electrodes and the counter-electrode, and control an alignment state of liquid crystal molecules, which are included in the liquid crystal layer, by rubbing treatment. Dummy display pixels are disposed on a terminal end side of the display section in a rubbing direction. A driving unit includes circuit for cyclically applying a reverse transition prevention signal to the dummy display pixels. | 11-13-2008 |
20080284927 | LIQUID CRYSTAL DISPLAY AND TERMINAL UNIT - A liquid crystal display device includes an array of pixels each including a plurality of sub-pixels, a plurality of pixel electrodes disposed in the respective sub-pixels, and a plurality of common electrodes disposed in the respective sub-pixels. The common electrode disposed in each of the sub-pixels in one of the pixels on each row is connected to the common electrodes disposed in the corresponding sub-pixels in the others of the pixels on the each row, to form a group of common electrodes connected together. | 11-20-2008 |
20080284928 | LIQUID CRYSTAL DISPLAY DEVICE AND TERMINAL UNIT - A liquid crystal display device includes an array of pixels each including a plurality of sub-pixels, a plurality of pixel electrodes disposed in the respective sub-pixels, and a plurality of common electrodes disposed in the respective sub-pixels. The common electrode disposed in each of the sub-pixels in one of the pixels on each row is connected to the common electrodes disposed in the corresponding sub-pixels in the others of the pixels on the each row, to form a group of common electrodes connected together. | 11-20-2008 |
20080291348 | PIXELS HAVING POLARITY EXTENSION REGIONS FOR MULTI-DOMAIN VERTICAL ALIGNMENT LIQUID CRYSTAL DISPLAYS - A multi-domain vertical alignment liquid crystal display that does not require physical features on the substrate (such as protrusions and ITO slits) is disclosed. Each pixel of the MVA LCD is subdivided into color components, which are further divided into color dots. The color components include polarized extension regions that extend between color dots of neighboring color components (and neighboring pixels). The voltage polarity of the color dots and polarized extension regions are arranged so that fringe fields in each color dot causes multiple liquid crystal domains in each color dot. Specifically, the color dots and polarity extension regions of the display are arranged so that neighboring polarized elements have opposite polarities. | 11-27-2008 |
20080297673 | Liquid Crystal Display Device - A liquid crystal display device included in a compact portable device reduces burden imposed on a driver circuit for driving counter electrodes and produces images having preferable quality. The liquid crystal display device includes liquid display element and liquid crystal driving circuit. The liquid crystal driving circuit drives two counter electrode signal lines during one scanning period for driving one scanning signal line. Counter signals having different polarities are supplied to the two counter signal lines. Since the number of pixels operated by one counter electrode signal line is decreased to half, burden imposed during drive of counter electrodes is reduced. | 12-04-2008 |
20080297674 | LIQUID CRYSTAL DISPLAY DEVICE AND TERMINAL UNIT - A liquid crystal display (LCD) device includes: a liquid crystal (LC) panel defining thereon an array of pixels each including a reflective area driven in a longitudinal electric field and a transmissive area driven in a lateral electric field; a quarter-wavelength retardation film disposed in the reflective area in front of a LC layer; and first and second polarizing films sandwiching therebetween the LC panel. The LC molecules in the LC layer have a major axis parallel or perpendicular to an optical axis of the first polarizing film disposed in front of the LC panel. | 12-04-2008 |
20080303965 | LIQUID CRYSTAL DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - In a liquid crystal display panel and a method of manufacturing the display panel, an array substrate includes a plurality of pixels that each having a switching device, a first pixel electrode, a coupling electrode, and a second pixel electrode. The switching device outputs a data voltage in response to a gate signal, and the first pixel electrode and the coupling electrode are connected to an output electrode of the switching device to receive the data voltage. The second pixel electrode faces the coupling electrode and receives a voltage lower than the data voltage. The resistance between the second pixel electrode and the coupling electrode is less than the resistance between the second pixel electrode and the common electrode. | 12-11-2008 |
20080309837 | LIQUID CRYSTAL DISPLAY APPARATUS - The liquid crystal display apparatus includes a liquid crystal modulation element including first and second electrode, a liquid crystal layer disposed between the first and second electrodes, a first alignment film disposed between the first electrode and the liquid crystal layer, and a second alignment film disposed between the second electrode and the liquid crystal layer. The apparatus further includes a controller that respectively provides first and second electric potentials to the first and second electrodes such that a sign of an electric field generated in the liquid crystal layer is cyclically inverted in a modulation operation state. The controller respectively provides third and fourth electric potentials to the first and second electrodes such that the sign of the electric field is fixed in a state other than the modulation operation state. The apparatus can avoid an influence by cumulated charged particles without adding a new member. | 12-18-2008 |
20090021658 | LIQUID CRYSTAL DISPLAY DEVICE - In an active-matrix liquid crystal display device, each of multiple pixels includes a first sub-pixel and a second sub-pixel, through which different voltages are applicable to a portion of the liquid crystal layer. Each of the first and second sub-pixels includes a liquid crystal capacitor defined by a counter electrode and a sub-pixel electrode that faces the counter electrode by way of the liquid crystal layer, and a storage capacitor defined by a storage capacitor electrode, an insulating layer, and a storage capacitor counter electrode. The storage capacitor electrode is electrically connected to the sub-pixel electrode, and the storage capacitor counter electrode faces the storage capacitor electrode by way of the insulating layer. The counter electrode is shared by the first and second sub-pixels and the storage capacitor counter electrodes of the first and second sub-pixels are electrically independent of each other. | 01-22-2009 |
20090040403 | PIXELS USING ASSOCIATED DOT POLARITY AND ASSOCIATED DOT SWITCHING ELEMENTS FOR MULTI-DOMAIN VERTICAL ALIGNMENT LIQUID CRYSTAL DISPLAYS - A multi-domain vertical alignment liquid crystal display that does not require physical features on the substrate (such as protrusions and ITO slits) is disclosed. Each pixel of the MVA LCD is subdivided into color components, which are further divided into color dots. The drive component areas, i.e. where switching elements and storage capacitors are located, are converted to associated dots by adding an electrode that can be electrically biased. The voltage polarity of the color dots and associated dots are arranged so that fringe fields in each color dot causes multiple liquid crystal domains in each color dot. Specifically, the color dots and associated dots of a pixel are arranged so that associated dots have opposite polarity as compared to neighboring color dots. | 02-12-2009 |
20090040404 | SPREAD PIXELS USING ASSOCIATED DOT POLARITY FOR MULTI-DOMAIN VERTICAL ALIGNMENT LIQUID CRYSTAL DISPLAYS - A multi-domain vertical alignment liquid crystal display that does not require physical features on the substrate (such as protrusions and ITO slits) is disclosed. Each pixel of the MVA LCD is subdivided into color components, which are further divided into color dots. The drive component areas, i.e. where switching elements and storage capacitors are located, are converted to associated dots by adding an electrode that can be electrically biased. The voltage polarity of the color dots and associated dots are arranged so that fringe fields in each color dot causes multiple liquid crystal domains in each color dot. Specifically, the color dots and associated dots of a pixel are arranged so that associated dots have opposite polarity as compared to neighboring color dots. | 02-12-2009 |
20090040405 | PIXELS USING MULTIPLE ASSOCIATED DOTS PER COLOR COMPONENT FOR MULTI-DOMAIN VERTICAL ALIGNMENT LIQUID CRYSTAL DISPLAYS - A multi-domain vertical alignment liquid crystal display that does not require physical features on the substrate (such as protrusions and ITO slits) is disclosed. Each pixel of the MVA LCD is subdivided into color components, which are further divided into color dots. The drive component areas, i.e. where switching elements and storage capacitors are located, are converted to associated dots by adding an electrode that can be electrically biased. The voltage polarity of the color dots and associated dots are arranged so that fringe fields in each color dot causes multiple liquid crystal domains in each color dot. Specifically, the color dots and associated dots of a pixel are arranged so that associated dots have opposite polarity as compared to neighboring color dots. | 02-12-2009 |
20090040406 | MULTI-DOMAIN VERTICAL ALIGNMENT LIQUID CRYSTAL DISPLAYS HAVING PIXELS USING ASSOCIATED DOT POLARITY - A multi-domain vertical alignment liquid crystal display that does not require physical features on the substrate (such as protrusions and ITO slits) is disclosed. Each pixel of the MVA LCD is subdivided into color components, which are further divided into color dots. The drive component areas, i.e. where switching elements and storage capacitors are located, are converted to associated dots by adding an electrode that can be electrically biased. The voltage polarity of the color dots and associated dots are arranged so that fringe fields in each color dot causes multiple liquid crystal domains in each color dot. Specifically, the color dots and associated dots of a pixel are arranged so that associated dots have opposite polarity as compared to neighboring color dots. | 02-12-2009 |
20090051838 | Active matrix type liquid crystal display device having a common line in every other pixel region - A display device with a plurality of gate signal lines extended in the first direction; a plurality of drain signal lines extended in the second direction; a plurality of pixel regions in a state that each pixel region includes a switching device, a pixel electrode which is connected with the drain signal line and a counter electrode. The counter electrode is formed with respect to the pixel electrode by way of an insulation film and is formed every pixel. The pixels include first pixels and second pixels, wherein only the first pixels have a counter voltage signal line which extends in the first direction, and the counter voltage signal line is connected with the counter electrodes in the first pixels. Further, the counter electrodes of the first pixels and the counter electrodes of the second pixels are electrically connected with each other using conductive stride over the gate signal line. | 02-26-2009 |
20090059108 | MULTI-DOMAIN VERTICAL ALIGNMENT LIQUID CRYSTAL DISPLAY PANEL, PIXEL ARRAY STRUCTURE AND DRIVING METHODS THEREOF - A multi-domain vertical alignment (MVA) liquid crystal display panel including an active device array substrate, an opposite substrate and a liquid crystal layer is provided. The active device array substrate has a plurality of pixel electrodes and a plurality of auxiliary electrodes, wherein each pixel electrodes has at least a slit and each auxiliary electrode is disposed corresponding to the slit. The opposite substrate is disposed above the active device array substrate and the opposite substrate has a common electrode disposed between the active device array substrate and the opposite substrate. The liquid crystal layer is disposed between the active device array substrate and the opposite substrate. The above-mentioned multi-domain vertical alignment liquid crystal display panel has high aperture ratio and rapid response. | 03-05-2009 |
20090073333 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a plurality of pixels arranged in a matrix form, in which each of the pixels includes a plurality of non-linear elements and a plurality of subpixel electrodes on a drive substrate, the plurality of subpixel electrodes being electrically connected to the plurality of non-linear elements, respectively, a voltage having a reverse polarity is applied to at least two of the plurality of subpixel electrodes on the same frame, and each of the at least two of the plurality of subpixel electrodes is divided into four or more divided subpixel electrodes, and at least four of the divided subpixel electrodes of the subpixel electrode to which a voltage having one polarity is applied are adjacent to divided subpixel electrodes of the subpixel electrode to which a voltage having the other polarity is applied on the top and bottom sides of the divided subpixel electrodes. | 03-19-2009 |
20090091669 | MULTI-DOMAIN LIQUID CRYSTAL DISPLAY AND ARRAY SUBSTRATE THEREOF - An array substrate includes a transparent plate, a plurality of metallic signal lines, an insulating layer, a plurality of first and auxiliary electrodes, and a plurality of active components. The metallic signal lines are formed on the transparent plate, and the insulating layer is formed on the transparent plate and covers the metallic signal lines. The pixel electrodes are regularly arranged on the insulating layer, with a spacing region existing between two adjacent pixel electrodes. The auxiliary electrodes are provided on the insulating layer, and each auxiliary electrode is spread at least in the spacing region and at least partially surrounds one pixel electrode to produce fringe fields. The active components are connected between the metallic signal lines and the pixel electrodes. | 04-09-2009 |
20090096943 | DISPLAY DEVICE, DRIVING METHOD THEREOF, TERMINAL DEVICE, AND DISPLAY PANEL - To provide a plural-viewpoint display device having an image separating optical element such as a lenticular lens or a parallax barrier, which is capable of arranging thin film transistors and wirings while achieving substantially trapezoid apertures and high numerical aperture, and to provide a driving method thereof, a terminal device, and a display panel. A neighboring pixel pair arranged with a gate line interposed therebetween is connected to the gate line placed between the pixels, each of the pixels configuring the neighboring pixel pair is connected to the data line different from each other, and each of the neighboring pixel pairs neighboring to each other in an extending direction of the gate lines is connected to the gate line different from each other. | 04-16-2009 |
20090096944 | Liquid Crystal Display Device - (Object) In a liquid crystal display device where one display region is divided into two regions for displaying videos and images side-by-side in two regions, heat emitted from the driver circuits is reduced and the image quality is prevented from lowering. | 04-16-2009 |
20090102992 | Liquid crystal display panel - The invention discloses a liquid crystal display panel, comprising pixel electrodes, common electrode lines, data lines and scanning lines, wherein at least two of the scanning lines are electrically connected to each other. The liquid crystal display panel has a plurality of conductive sections are disposed above at least part of each of the scanning lines other than said at least two scanning lines and electrically connected to the common electrode lines. The liquid crystal display panel of the invention can use Dot Inversion Driving with low power consumption. Meanwhile, the invention improves consistency of the RC delays on the individual scanning lines, decreases the difference among the RC delays of scanning signals on all of the scanning lines, and thereby achieves uniformity of a display frame on the liquid crystal display panel. | 04-23-2009 |
20090102993 | LIQUID CRYSTAL DISPLAY DEVICE OF IN-PLANE SWITCHING MODE, METHOD OF FABRICATING THE SAME, AND METHOD OF DRIVING THE SAME - An in-plane switching mode liquid crystal display device includes upper and lower substrates, first and second ferroelectric liquid crystal layers, a nematic system crystal layer, and first and second electrodes. The electrodes and liquid crystal layers are located between the substrates, with the nematic liquid crystal layer between the ferroelectric liquid crystal layers. The ferroelectric liquid crystal layers have different spontaneous polarization directions. An electric field is applied to the liquid crystal layers using the electrodes. The ferroelectric liquid crystal layers react to different electric field to conduct an in-plane driving of liquid crystal molecules in the nematic liquid crystal layer. | 04-23-2009 |
20090109357 | Liquid Crystal Display Device and Method for Driving the Same - A method for driving a liquid crystal display device includes the following steps. A driving circuit and a display unit are provided, the driving circuit comprising a plurality of data lines for transferring data voltages to drive the display unit, wherein each adjacent two of the data lines are supplied with voltages of opposite polarities, and all the data lines in one frame period are supplied with voltages of the same polarity. Two adjacent pixel areas are combined to form one pixel unit, wherein the two adjacent pixel areas are supplied with the same polarity, and the adjacent two pixel units are supplied with opposite polarities. | 04-30-2009 |
20090115923 | LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A LCD panel includes a data line, first and second scan lines, first and second pixels and an auxiliary electrode. The first pixel has a first pixel electrode, first and second switches. The first switch has an input terminal coupled to the data line, a control terminal coupled to the first scan line and an output terminal coupled to the first pixel electrode. The second switch has an input terminal coupled to the data line and a control terminal coupled to the first scan line. The second pixel has a second pixel electrode and a third switch. The third switch has an input terminal coupled to the data line, a control terminal coupled to the second scan line and an output terminal coupled to the second pixel electrode. The auxiliary electrode coupled to an output terminal of the second switch is adjacent to the second pixel electrode. | 05-07-2009 |
20090128722 | Liquid crystal display and driving method thereof - Disclosed is a liquid crystal display including a liquid crystal panel that includes a plurality of liquid crystal cells for controlling light transmission, a common electrode driving circuit for providing a common voltage signal to a common electrode provided in the liquid crystal panel and a first signal driving circuit for providing a first signal to a transparent electrode provided in the liquid crystal panel. The first signal and the common voltage signal have the same frequency and amplitude, but are out of phase with each other. The transparent electrode is designed to cancel an acoustic noise generated by the application of the common voltage signal. The liquid crystal panel includes two substrates that face each other. In one embodiment, the common electrode and the transparent electrode are formed in the same substrate, and in another embodiment, the common electrode and the transparent electrode are formed in different substrates. | 05-21-2009 |
20090128723 | Liquid crystal display device - It is possible to realize a driver circuit which exhibits low power consumption and high image quality in a liquid crystal display device used in miniaturized portable equipment. In a liquid crystal display device which includes a liquid crystal display element and a liquid crystal driver circuit, the liquid crystal driver circuit is mounted on one side of a liquid crystal display panel. The liquid crystal driver circuit can output counter electrode voltages of two systems and hence, the liquid crystal driver circuit can select a first mode in which the first counter voltage and the second counter voltage have the opposite polarities from each other and a second mode in which the first counter voltage and the second counter voltage have the same polarity. Due to such constitution, while driving the liquid crystal display device in the first mode, the second mode is selected depending on a video signal thus realizing power saving. | 05-21-2009 |
20090135321 | Liquid crystal display element and pixel structure - A pixel structure of liquid crystal display including a first and a second sub-pixel electrodes, a first and a second data lines, a gate line, and a first and a second transistors is provided. The first and the second sub-pixel electrodes disposed in the first and second sub-pixel areas respectively include at least two display domains at left and right. The first data line is disposed under the interface between two domains of each of the first and second sub-pixel electrodes, and the second data line is disposed under the edges of the first and second sub-pixel electrodes. The gate line is disposed between the first and second sub-pixel areas. The first sub-pixel electrode is controlled by the gate line and the first data line through the first transistor. The second sub-pixel electrode is controlled by the gate line and the second data line through the second transistor. | 05-28-2009 |
20090135322 | THIN FILM TRANSISTOR SUBSTRATE, LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME AND METHOD OF MANUFACTURING THE SAME - A thin film transistor (“TFT”) substrate includes first through third TFTs, first and second sub pixel electrodes, and a voltage down capacitor. A control terminal and an input terminal of the first and the second TFT are connected to an (N- | 05-28-2009 |
20090135323 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes first and second gate lines arranged in parallel to each other and sequentially transmitting a gate voltage, a data line crossing the first and second gate lines and transmitting a data voltage, a pixel electrode constituted by first and second sub-pixel electrodes and electrically disconnected from each other, a first switching element connected to the first gate line, the data line, and the first sub-pixel electrode, a second switching element connected to the first gate line, the data line, and the second sub-pixel electrode, a third switching element connected to the first sub-pixel electrode across a charge-sharing capacitor, and a fourth switching element connected to the second gate line and the second sub-pixel electrode and connected to the first sub-pixel electrode across the charge-sharing capacitor. | 05-28-2009 |
20090147163 | Driving method for an in-plane switching liquid crystal display device - An in-plane switching LCD including a plurality of gate and data lines crossing each other to define a plurality of pixel areas; a thin film transistor formed at a crossing of the data and gate lines; a pair of common lines facing each other and substantially parallel to the data lines in the pixel areas; a common electrode integrally formed with the common lines, the common electrode being inclined by a predetermined angle; a pair of pixel electrode lines overlapping the common lines; and a pixel electrode integrally formed with the pixel electrode lines, the pixel electrode being inclined substantially parallel to the common electrode, the pixel electrode being arranged in an alternating pattern with the common electrode, wherein the gate lines are formed substantially parallel to the common electrode and the pixel electrode. | 06-11-2009 |
20090167972 | Liquid crystal display device - A liquid crystal display device for eliminating a vertical dimming phenomenon to improve a picture quality of a liquid crystal display panel is disclosed. In the device, first and second data lines are supplied with data. A first pixel electrode is spaced at a desired distance from the first data line. A second pixel electrode is spaced, by a distance different from said distance between the first data line and the first pixel electrode, from the second data line. | 07-02-2009 |
20090174828 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - An array substrate ( | 07-09-2009 |
20090174829 | LIQUID CRYSTAL DISPLAY APPARATUS - In the provided liquid crystal display apparatus, a first switching element receives a first data signal and a second switching element receives a second data signal having a polarity opposite that of the first data signal. A first pixel electrode is electrically connected to the first switching element to receive the first data signal and a second pixel electrode is electrically connected to the second switching element to receive the second data signal. The second pixel electrode faces the first pixel electrode and is electrically insulated from the first pixel electrode. A liquid crystal layer has liquid crystal molecules aligned in response to the first and second data signals applied to the first and second pixel electrodes, respectively. Thus, the liquid crystal display apparatus may prevent afterimages on a screen thereof and a flickering phenomenon. | 07-09-2009 |
20090190051 | PIXELS USING ASSOCIATED DOTS ON MULTIPLE SIDES OF COLOR COMPONENTS FOR MULTI-DOMAIN VERTICAL ALIGNMENT LIQUID CRYSTAL DISPLAYS - A multi-domain vertical alignment liquid crystal display that does not require physical features on the substrate (such as protrusions and ITO slits) is disclosed. Each pixel of the MVA LCD is subdivided into color components, which are further divided into color dots. The drive component areas, i.e. where switching elements and storage capacitors are located, are converted to associated dots by adding an electrode that can be electrically biased. The voltage polarity of the color dots and associated dots are arranged so that fringe fields in each color dot causes multiple liquid crystal domains in each color dot. Specifically, the color dots and associated dots of a pixel are arranged so that associated dots have opposite polarity as compared to neighboring color dots. | 07-30-2009 |
20090201437 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A liquid crystal display device and a method of driving the same are provided. The liquid crystal display device includes a first coupling capacitor and a second coupling capacitor, which are coupled to corresponding data lines among a plurality of data lines and are coupled to a first auxiliary data line and a second auxiliary data line, respectively. Using a plurality of the first and second coupling capacitors, the liquid crystal display device can be driven by a dot inversion driving method with reduced power consumption as a result of using a low data signal voltage. | 08-13-2009 |
20090207328 | Liquid Crystal Display Having High Luminance and High Display Quality - A liquid crystal display (LCD) having high luminance and color renditions is provided. The liquid crystal display includes a first insulating substrate, a gate line and a data line crossing each other on the first insulating substrate to define a pixel. First and second sub-pixel electrodes divide the pixel into two parts. A first switching element drives the first sub-pixel electrode and a second switching element drives the second sub-pixel electrode. A second insulating substrate faces the first insulating substrate. A color pattern is arranged on the second insulating substrate and overlaps the first sub-pixel electrode. A contrast pattern overlaps the second sub-pixel electrode. | 08-20-2009 |
20090231502 | Liquid crystal display device - In a liquid crystal display device of the present invention, when a display voltage is applied to picture element electrodes, each picture element electrode forms a plurality of domains in which liquid crystal molecules align themselves in different directions. The picture element electrodes are formed such that their edge portions on the opposite sides of a picture-element-electrode aperture portion formed between the picture element electrodes face parallel to each other with a certain interval. A source bus line is provided along the picture-element-electrode aperture portion formed between the picture element electrodes. The source bus line is disposed beneath the picture element electrodes and at the edge portions of the picture element electrodes by overlapping therewith in a direction of thickness. | 09-17-2009 |
20090268110 | LIQUID CRYSTAL DISPLAY - Each pixel includes first and second subpixels and two switching elements provided for those subpixels. Each subpixel includes a liquid crystal capacitor and a storage capacitor. The storage capacitor counter electrodes of the first and second subpixels are electrically independent. A storage capacitor counter voltage applied to each storage capacitor counter electrode by way of its associated storage capacitor line has a first period (A) with a first waveform during one vertical scanning period. The first waveform oscillates between multiple voltage levels in a first cycle time (P | 10-29-2009 |
20090268111 | Liquid Crystal Display Device - To reduce an optical leakage and a disclination. | 10-29-2009 |
20090279006 | LIQUID CRYSTAL DISPLAY DEVICE AND RELATED DRIVING METHOD - A liquid crystal display (LCD) device essentially includes a plurality of data lines, a plurality of gate lines and a plurality of pixel units. Each pixel unit includes a first liquid-crystal capacitor, a second liquid-crystal capacitor, a first switch and a second switch. The first liquid-crystal capacitor of a pixel unit is charged via the first switch of the same pixel unit. The second liquid-crystal capacitor of a pixel unit is charged via the second switch of the same pixel unit and the first switch of a different pixel unit. The sub-pixel voltages corresponding to the first and second liquid-crystal capacitors of the same pixel unit have the same polarity. Furthermore, disclosed is a liquid-crystal display driving method for writing two data signals having same polarity respectively into the first and second liquid-crystal capacitors of a pixel unit via the same date line during two intervals partly overlapped. | 11-12-2009 |
20090279007 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) is provided. The liquid crystal display includes a first and a second scan lines and a first and a second data lines crossing each other for defining a first pixel having a first and a second switches and a second pixel having a third switch; a first, a second and a third storage capacitors, each of which has a first and a second electrodes; and a conducting line, coupled to the second electrodes of the first, the second and the third storage capacitors. | 11-12-2009 |
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 |
20090322974 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - The present invention relates to a liquid crystal display including: a first substrate, a gate line formed disposed on the first substrate, a first data line and a second data lines formed both of which are disposed on the first substrate, and insulated from and intersection disposed substantially perpendicular to the gate line, 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 first pixel electrode connected to the first thin film transistor, a second pixel electrode connected to the second thin film transistor, a second substrate facing disposed substantially opposite to the first substrate, a common electrode formed disposed on the second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate, and including biaxial liquid crystal. | 12-31-2009 |
20100002159 | LIQUID CRYSTAL DISPLAY PANEL AND PIXEL STRUCTURE THEREOF - A pixel structure of a liquid crystal display panel includes a first transparent substrate, a first data line, a second data line, a transparent electrode, and a compensating conducting pattern layer. In a display region, the first side of the transparent electrode and the first data line partially overlap, forming a first parasitic capacitor, the second side of the transparent electrode and the second data line partially overlap, forming a second parasitic capacitor smaller than the first parasitic capacitor. In a non-display region, the first side of the transparent electrode and the first data line partially overlap, forming a third parasitic capacitor, and the second side of the transparent electrode and the compensating conducing pattern layer partially overlap, forming a fourth parasitic capacitor. The total parasitic capacitance of the first and the third parasitic capacitors and the total parasitic capacitance of the second and the fourth parasitic capacitors are substantially equal. | 01-07-2010 |
20100007809 | METHOD OF DRIVING A LIQUID CRYSTAL DISPLAY APPARATUS, ARRAY SUBSTRATE FOR PERFORMING THE METHOD, METHOD OF MANUFACTURING THE ARRAY SUBSTRATE, AND A LIQUID CRYSTAL DISPLAY APPARATUS HAVING THE ARRAY SUBSTRATE - In a method of driving a liquid crystal display (“LCD”) apparatus, a common voltage is applied to a common electrode above a liquid crystal layer and pixel voltages are applied to pixel electrodes under the liquid crystal layer to form an electrical field with the common electrode to control movements of liquid crystal molecules of the liquid crystal layer. Each of the pixel electrodes has slits. Then, a supplementary voltage is applied to a supplementary electrode between the slits of each pixel electrode to compensate the electric field formed by the pixel electrodes and the common electrode. | 01-14-2010 |
20100026921 | Active matrix substrate and display device having the same - In one embodiment of the present invention, a display device is enabled to make the display impulse and to improve the charging characteristics of pixel capacities while suppressing the complexity of a drive circuit or the like and the increase in the operating frequency. In an active matrix substrate of a liquid crystal display device, each pixel electrode is connected through a pixel TFT with a source line and through a discharging TFT with a holding capacity line. For one frame period, a liquid crystal capacity, as established by the pixel electrode corresponding to each display line and a common electrode, is charged, when the pixel TFT is turned ON by a pixel scanning signal on a pixel gate line, and is then discharged when the discharging TFT is turned ON by a discharging scanning signal on a discharging gate line. The source line is subjected to a 2-H dot inverse drive but to a charge share for every horizontal periods. | 02-04-2010 |
20100045883 | LIQUID CRYSTAL DISPLAY - A liquid crystal display including a plurality of pixel electrodes, each having first and second sub-pixel electrodes separated from each other; a plurality of gate lines electrically connected to the first and second sub-pixel electrodes, a plurality of data lines electrically connected to the first and second sub-pixel electrodes, a plurality of first storage electrode lines having first storage electrodes overlapped with the first sub-pixel electrodes, wherein a first storage voltage is applied to the first storage electrode lines as a cyclic signal; and a plurality of second storage electrode lines having second storage electrodes overlapped with the second sub-pixel electrodes, wherein a second storage electrode voltage opposite in phase to the first storage electrode voltage is applied to the second storage electrode lines as a cyclic signal, and wherein the first and second sub-pixel electrodes are electrically connected to the same gate line and to the same data line, and the pixel electrodes include a first side disposed parallel to the gate line and a second side disposed parallel to the data line, the second side including a length which is less than a length of the first side. | 02-25-2010 |
20100045884 | Liquid Crystal Display - A liquid crystal display according to an embodiment includes a gate line extending in a first direction, a data line intersecting the gate line and extending in a second direction, 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 subpixel electrode connected to the first switching element and having a first voltage, and a second subpixel electrode connected to the second switching element and having a second voltage. The difference between the first voltage and a common voltage is larger than the difference between the second voltage and the common voltage, and the shortest distance between the first subpixel electrode and the data line is larger than the shortest distance between the second subpixel electrode and the data line. Accordingly, a variation of luminance due to parasitic capacitance between the pixel electrode and the data line may be reduced, and the aperture ratio may be increased. | 02-25-2010 |
20100053484 | LIQUID CRYSTAL DISPLAY DEVICE - In a liquid crystal display device where pixel electrodes and counter electrodes are arranged on one substrate in a stacked manner by way of an insulation layer, it is possible to lower a drive voltage while maintaining optical transmissivity. Pixels each of which includes a first pixel electrode, a second pixel electrode and a counter electrode are arranged on a substrate in a matrix array. A first pixel electrode and a second pixel electrode in one pixel include a plurality of comb-teeth portions respectively. The first pixel electrode and the second pixel electrode are alternately arranged on the same layer in an opposed manner with a gap defined between the comb-teeth portion of the first pixel electrode and the comb-teeth portion of the second pixel electrode. The first and second pixel electrodes and the counter electrode are arranged in a stacked manner with an insulation layer sandwiched therebetween. | 03-04-2010 |
20100066930 | LOW-COST LARGE-SCREEN WIDE-ANGLE FAST-RESPONSE LIQUID CRYSTAL DISPLAY APPARATUS - The present invention discloses a super large wide-angle high-speed response liquid crystal display apparatus manufactured by using a photolithographic procedure for three times. The invention adopts a halftone exposure technology to form a gate electrode, a common electrode, a pixel electrode and a contact pad, and then uses the halftone exposure technology to form a silicon (Si) island and a contact hole, and a general exposure technology to form a source electrode, a drain electrode and an orientation control electrode. A passivation layer uses a masking deposition method. A film is formed by using a P-CVD method, or a protective area is formed at a local area by using an ink coating method or spray method, and a TFT array substrate used for the super large wide-angle high-speed response liquid crystal display apparatus manufactured by using a photolithographic procedure for three times can be produced. | 03-18-2010 |
20100066931 | LOW-COST LARGE-SCREEN WIDE-ANGLE FAST-RESPONSE LIQUID CRYSTAL DISPLAY APPARATUS - The present invention discloses a super large wide-angle high-speed response liquid crystal display apparatus manufactured by using a photolithographic procedure for three times. The invention adopts a halftone exposure technology to form a gate electrode, a common electrode, a pixel electrode and a contact pad, and then uses the halftone exposure technology to form a silicon (Si) island and a contact hole, and a general exposure technology to form a source electrode, a drain electrode and an orientation control electrode. A passivation layer uses a masking deposition method. A film is formed by using a P-CVD method, or a protective area is formed at a local area by using an ink coating method or spray method, and a TFT array substrate used for the super large wide-angle high-speed response liquid crystal display apparatus manufactured by using a photolithographic procedure for three times can be produced. | 03-18-2010 |
20100079690 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a substrate, a plurality of a gate line and a plurality of a data line disposed on the substrate, a plurality of a thin film transistor each connected to a gate line and a data line, a plurality of a pixel electrode each connected to a thin film transistor, a common electrode facing the pixel electrodes, and a liquid crystal layer between the pixel electrodes and the common electrode. Each of the pixel electrodes includes a first longitudinal edge adjacent to a first data line and a second longitudinal edge adjacent to a second data line adjacent to the first data line. A first distance between an edge of the first longitudinal edge and the first data line is larger than a second distance between the second longitudinal edge and an edge of the second data line. | 04-01-2010 |
20100085497 | Liquid Crystal Display Device - The present invention discloses a liquid crystal display (LCD) device. The LCD device comprises an upper substrate and a lower substrate. Every two data lines and two scan lines define two pixels. Each pixel comprises a pixel electrode and a transistor, and a biased electrode is arranged under a slot between two pixel electrodes of the two pixels. When positive frame, the voltage of the biased electrode, V | 04-08-2010 |
20100091210 | THIN FILM TRANSISTOR-LIQUID CRYSTAL DISPLAY DEVICE AND ITS DRIVING METHOD - The invention discloses a TFT-LCD and its driving method, TFT-LCD comprises an array substrate and a color filter substrate, a common electrode on said color filter substrate being divided into multiple columns, each of which corresponding to one column of pixels; on color filter substrate, odd number columns are first common electrodes, even number columns are second common electrodes; difference between voltages input to said first common electrodes and said second common electrodes is larger than zero and less than dynamic range of driving voltage of liquid crystal driving voltage-transmittance curve. By setting two common electrode voltages, TFT-LCD and its driving method provided by the invention can make dynamic range of input voltage required for driving liquid crystal display device be smaller than dynamic range of driving voltage of liquid crystal driving voltage-transmittance curve, thus reducing power consumption during driving the liquid crystal. | 04-15-2010 |
20100134707 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes; first and second substrates facing each other, a liquid crystal layer interposed between the first and second substrates and including liquid crystal molecules, a first subpixel electrode disposed on the first substrate, the first subpixel electrode receiving a first data voltage, a second subpixel electrode disposed on the first substrate, the second subpixel electrode receiving a second data voltage; and a short protrusion disposed on the second substrate and simultaneously facing the first and second subpixel electrodes, wherein the liquid crystal layer is vertically aligned and has positive dielectric anisotropy. | 06-03-2010 |
20100157183 | PIXELS HAVING FRINGE FIELD AMPLIFYING REGIONS FOR MULTI-DOMAIN VERTICAL ALIGNMENT LIQUID CRYSTAL DISPLAYS - A multi-domain vertical alignment liquid crystal display that does not require physical features on the substrate (such as protrusions and ITO slits) is disclosed. Each pixel of the MVA LCD is subdivided into color components, which are further divided into color dots. Each pixel also contains fringe field amplifying regions that separate the color dots of a pixel. The voltage polarity of the color dots and fringe field amplifying regions are arranged so that fringe fields in each color dot causes multiple liquid crystal domains in each color dot. Specifically, the color dots and fringe field amplifying regions of the display are arranged so that neighboring polarized elements have opposite polarities. | 06-24-2010 |
20100157184 | MULTI-DOMAIN VERTICAL ALIGNMENT LIQUID CRYSTAL DISPLAYS USING PIXELS HAVING FRINGE FIELD AMPLIFYING REGIONS - A multi-domain vertical alignment liquid crystal display that does not require physical features on the substrate (such as protrusions and ITO slits) is disclosed. Each pixel of the MVA LCD is subdivided into color components, which are further divided into color dots. Each pixel also contains fringe field amplifying regions that separate the color dots of a pixel. The voltage polarity of the color dots and fringe field amplifying regions are arranged so that fringe fields in each color dot causes multiple liquid crystal domains in each color dot. Specifically, the color dots and fringe field amplifying regions of the display are arranged so that neighboring polarized elements have opposite polarities. | 06-24-2010 |
20100182522 | ARRAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - In an array substrate and a method of manufacturing the array substrate, an array substrate includes a first switching element, a second switching element, a third switching element and a fourth switching element. The first switching element is electrically connected to a first data line. The second switching element is electrically connected to a second data line adjacent to the first data line. The third switching element is electrically connected to a data power line interposed between the first and second data lines. The fourth switching element is electrically connected to a gate power line receiving a voltage having different polarity from a voltage applied to the data power line. Therefore, light transmittance, opening ratio and display quality are improved | 07-22-2010 |
20100182523 | ARRAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - In an array substrate and a method of manufacturing the array substrate, an array substrate includes a first switching element, a second switching element, a third switching element and a fourth switching element. The first switching element is electrically connected to a first data line. The second switching element is electrically connected to a second data line adjacent to the first data line. The third switching element is electrically connected to a data power line interposed between the first and second data lines. The fourth switching element is electrically connected to a gate power line receiving a voltage having different polarity from a voltage applied to the data power line. Therefore, light transmittance, opening ratio and display quality are improved. | 07-22-2010 |
20100289976 | Liquid Crystal Displays Having Color Dots With Embedded Polarity Regions - A multi-domain liquid crystal display is disclosed. The display includes embedded polarity regions within the color dots of the display. Specifically, the embedded polarity regions have a polarity that is different from the polarity of the color dot containing the embedded polarity region. This difference in polarity enhances the fringe fields of the color dot or in some situations may create additional fringe fields. The enhanced fringe fields or additional fringe fiends can more quickly restore liquid crystals to their proper position. | 11-18-2010 |
20100296015 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes: a first substrate and a second substrate disposed opposite the first substrate; a liquid crystal layer interposed between the first and second substrates and including liquid crystal molecules; a gate line which transmits a gate signal; first and second data lines which respectively transmit first and second data voltages, the first and second data voltages having opposite 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; a first subpixel electrode connected to the first switching element; and a second subpixel electrode connected to the second switching element. The first and second subpixel electrodes overlap portions of the first and second data lines. The first and second subpixel electrodes include first and second branches, respectively, which are alternately arranged between the first and second data lines. | 11-25-2010 |
20100302471 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes: first and second gate lines disposed on the first substrate and which respectively transmit first and second gate signals; first, second and third data lines disposed on the first substrate; a first switching element connected to the first gate line and the first data line; a second switching element connected to the first gate line and the second data line; a third switching element connected to the second gate line and the second data line; a fourth switching element connected to the second gate line and the third data line; first and second pixel electrodes respectively connected to the first and second switching and which form a first liquid crystal capacitor; and third and fourth pixel electrodes respectively connected to the third and fourth switching elements and which form a second liquid crystal capacitor. | 12-02-2010 |
20100309399 | LIQUID CRYSTAL DISPLAY APPARATUS AND DRIVING METHOD THEREOF - An LCD apparatus and a driving method thereof are provided. The LCD apparatus includes a reference voltage line and a display area including scan lines, data lines and pixel structures. Each pixel structure is electrically connected to the corresponding scan/data line, and has a first pixel area and a second pixel area. The first pixel area includes a first liquid crystal capacitor with one end electrically connected to a common voltage. The second pixel area includes a second liquid crystal capacitor and a first compensation capacitor. One end of the second liquid crystal capacitor is electrically connected to the common voltage, one end of the first compensation capacitor is electrically connected to the second liquid crystal capacitor and another end is electrically connected to a reference voltage source through the reference voltage line. The reference voltage source provides a reference voltage having a continuous periodic signal or a time-varying signal. | 12-09-2010 |
20110025936 | Display Panel, Liquid Crystal Display Module, and Method for Reducing Data Lines Used on a Display Panel - On a display panel, every two neighboring sub-pixel transistor modules of each row transistor set are electrically coupled to a same data line so that used data lines on the display panel are halved, and driving integrated circuit units on the display panel are significantly decreased as well. A voltage on a data line of the display panel is controlled according to a polarity controlling signal to implement polarity inversion, for preventing DC residue and crosstalk, and for reducing power consumption and flickers. Two sub-pixel transistors of each transistor unit on the display panel are disposed in a mutually opposed and separated manner for overcoming vertical lines caused by concentrated transmittance of the sub-pixel transistors. | 02-03-2011 |
20110037913 | LIQUID CRYSTAL DISPLAY - A liquid crystal display according to an exemplary embodiment of the present invention includes a first and second substrate facing each other, a liquid crystal layer interposed between the substrates, a plurality of gate lines disposed on the first substrate, configured to transmit a gate signal, at least one data line disposed on the first substrate, configured to transmit a data signal, a plurality of power supplying lines disposed on the first substrate, a plurality of switching elements variously connected to the gate lines, data lines, and power supplying lines, a plurality of pixel electrodes connected to the switching elements, wherein corresponding pixel electrodes are separated from each other. | 02-17-2011 |
20110037914 | Liquid crystal display device - A liquid crystal display device includes: pixel electrodes arranged in columns and rows, each including a reflective electrode region; scanning lines; and signal lines. The device sequentially supplies a scanning signal voltage to one of the scanning lines after another to select one group of pixel electrodes, connected to the same one of the scanning lines, after another, and then supplies display signal voltages to the selected group of pixel electrodes by way of the signal lines, thereby displaying an image thereon. The pixel electrodes are arranged such that the polarity of a voltage to be applied to a liquid crystal layer is inverted for every predetermined number of pixel electrodes in each of the rows and in each of the columns. The display signal voltage to be supplied to each pixel electrode is updated at a frequency of 45 Hz or less. | 02-17-2011 |
20110063535 | PIXEL STRUCTURE OF LIQUID CRYSTAL DISPLAY PANEL - A pixel structure of a liquid crystal display panel includes a substrate, a first metallic layer, a light shielding element, a second metallic layer and a pixel electrode. The first metallic layer and the light shielding element are disposed above the substrate. The second metallic layer is disposed above the light shielding element, and includes first and second data lines. The first data line is disposed along the light shielding element, and is partially overlapped with the light shielding element. The second data line is parallel to the first data line. A first portion of the pixel electrode is overlapped with the first data line, and is not overlapped with the light shielding element. A second portion of the pixel electrode is overlapped with the light shielding element, and is not overlapped with the first data line. | 03-17-2011 |
20110085098 | ARRAY SUBSTRATE AND FLAT DISPLAY DEVICE - A flat display device includes an array substrate. The array substrate includes a plurality of gate lines, data lines and pixels. The pixels include a plurality of first pixel units and second pixel units, and each of the first pixel units and each of the second pixel units include more than three pixels. The first pixel units and the second pixel units disposed in between two adjacent data lines are arranged alternately, wherein the first pixel units are electrically connected with one of the two adjacent data lines, and the second pixel units are electrically connected with the other data line. | 04-14-2011 |
20110115997 | LIQUID CRYSTAL DISPLAY PANEL - In a liquid crystal display panel, an array substrate includes a plurality of pixels that each having a switching device, a first pixel electrode, a coupling electrode, and a second pixel electrode. The switching device outputs a data voltage in response to a gate signal, and the first pixel electrode and the coupling electrode are connected to an output electrode of the switching device to receive the data voltage. The second pixel electrode faces the coupling electrode and receives a voltage lower than the data voltage. The resistance between the second pixel electrode and the coupling electrode is less than the resistance between the second pixel electrode and the common electrode. | 05-19-2011 |
20110157502 | Liquid Crystal Display Panel and Liquid Crystal Display - A liquid crystal display panel includes a first and second substrates which are opposite, and further includes scanning lines, data lines, pixel electrodes and switches, intersection of two adjacent scanning lines and data lines forming a pixel region. The pixel electrodes are disposed in pixel regions. Each pixel electrode crosses one data line and includes a first and second sub-pixel electrodes which are electrically connected to each other; the first and second sub-pixel electrodes are arranged on two sides of the data line; there is a gap between the first and second sub-pixel electrodes, and the data line is configured in the gap. A problem that conventional liquid crystal display panel has a complex manufacture process, leaks light at a dark state and has a low penetrability can be solved, thereby improving yield of the products. | 06-30-2011 |
20110157503 | Thin Film Transistor Array Substrate and Liquid Crystal Display - A TFT array substrate includes a plurality of scanning lines, a plurality of data lines and a plurality of pixel regions. Each pixel region includes a pixel electrode, a first TFT, a pull alignment electrode, a second TFT, a first and second push alignment electrodes, so that when a voltage is applied to the TFT array substrate, a transverse pull electric field is formed between the pixel electrode and the pull alignment electrode, and transverse push electric fields are formed respectively between the first push alignment electrode and the pixel electrode and between the second push alignment electrode and the pixel electrode. Accordingly, liquid crystal molecules of the TFT array substrate can respond quickly and it is not necessary to configure bumps on a color filter substrate, thereby improving contrast ratio, simplifying manufacture process and reducing costs. | 06-30-2011 |
20110255020 | PIXEL DRIVING DEVICE, LIQUID CRYSTAL DISPLAY HAVING THE SAME AND PIXEL DRIVING METHOD - A method of driving pixels of a liquid crystal display, a pixel driving device, and a liquid crystal display having the same are provided. The liquid crystal display includes a liquid crystal panel and a pixel driving device, wherein the pixel driving device selectively outputs driving signals having different polarity permutations based on the structure of the display units in the liquid crystal panel. | 10-20-2011 |
20120002126 | Pixels Having Polarity Extension REgions For Multi-Domain Vertical Alignment Liquid Crystal Displays - A multi-domain vertical alignment liquid crystal display that does not require physical features on the substrate (such as protrusions and ITO slits) is disclosed. Each pixel of the MVA LCD is subdivided into color components, which are further divided into color dots. The color components include polarized extension regions that extend between color dots of neighboring color components (and neighboring pixels). The voltage polarity of the color dots and polarized extension regions are arranged so that fringe fields in each color dot causes multiple liquid crystal domains in each color dot. Specifically, the color dots and polarity extension regions of the display are arranged so that neighboring polarized elements have opposite polarities. | 01-05-2012 |
20120033147 | Multi-Domain Display Using Fringe Fields - A multi-domain vertical alignment liquid crystal display that does not require physical features on the substrate (such as protrusions and ITO slits) is disclosed. Each pixel of the MVALCD is subdivided into color components, which are further divided into color dots. The polarity of the color dots are arranged so that fringe fields from adjacent color dots causes multiple liquid crystal domains in each color dot. Specifically, the color dots of a pixel are arranged so that each color dot of a first polarity has four neighboring pixels of a second polarity. Thus, a checkerboard pattern of polarities is formed. Furthermore, the checkerboard pattern is extended across multiple pixels in the MVALCD. In addition, many display unit include multiple pixel designs to improve color distribution or electrical distribution. | 02-09-2012 |
20120099040 | Split segmented liquid crystal modulator - Disclosed is a segmented liquid crystal modulator panel apparatus and method for driving the same that overcomes electrical cross-talk associated with capacitive coupling to a common electrode. Each modulator segment may be divided into subsegments and driven substantially synchronously and out-of-phase. The field-polarity insensitive LC materials yield a substantially identical optical response for each subsegment, while allowing current on the common electrode to flow between the subsegments, thereby reducing power consumption and decreasing response times. | 04-26-2012 |
20120140135 | LIQUID CRYSTAL DISPLAY MODULE - A liquid crystal display module ( | 06-07-2012 |
20120268675 | Pixels Having Extra-Planar Fringe Field Amplifiers and Sliced Common Electrodes for Multi-Domain Vertical Alignment Liquid Crystal Displays - A multi-domain vertical alignment liquid crystal display using fringe field amplification is disclosed. Each pixel is subdivided into color dots. Further more each pixel contains extra-planar fringe field amplifiers that separate the color dots of a pixel. The voltage polarity of the color dots and extra-planar fringe field amplifiers are arranged so that fringe fields in each color dot causes multiple liquid crystal domains in each color dot. Specifically, the color dots and the extra-planar fringe field amplifiers are arranged so that neighboring polarized elements have opposite polarities. The performance of the display is further enhanced by using a sliced common electrode having common electrode slices over the color dots. | 10-25-2012 |
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 |
20120300146 | DISPLAY DEVICE AND DISPLAY PANEL - A display panel is provided and includes gate lines, source lines, and pixel units. Each gate line extends in a first direction, while each source line extends in a second direction interlacing with the first direction. The pixel units are arranged to form a display array. Each pixel unit is coupled to three sequentially disposed gate lines and three sequentially disposed source lines. Each pixel unit includes pixels. For each pixel unit, the pixels between any set of the two adjacent gate lines are coupled to different gate lines and different source lines. For each pixel unit, the pixels between one set of the two adjacent source lines are coupled to the same gate line and different source lines, and the pixels between the other set of the two adjacent source lines are coupled to different gate lines and different source lines. | 11-29-2012 |
20120307170 | DISPLAY DEVICE, BARRIER DEVICE, BARRIER DRIVING CIRCUIT, AND BARRIER DEVICE DRIVING METHOD - A barrier driving circuit includes a barrier driving section that supplies drive signals to two or more liquid crystal barriers that are adjacent to each other and to be placed into a closed state among a plurality of liquid crystal barriers. The plurality of liquid crystal barriers are disposed side-by-side and each of the liquid crystal barriers is switchable between an open state and the closed state. The drive signals supplied to the two or more liquid crystal barriers have respective polarities that are same with respect to one another. | 12-06-2012 |
20130258223 | LIQUID CRYSTAL DISPLAY - According to one embodiment, an apparatus includes an array substrate including gate lines and auxiliary capacitance lines extending along a row, signal lines extending along a column, a semiconductor that intersects the gate line via an insulating layer and confronts the auxiliary capacitance line, a contact electrode for electrically connecting the semiconductor to the pixel electrode, a counter substrate, and a liquid crystal layer sandwiched between the substrates. In the pixels disposed side by side in a direction where the gate line extends, the positions of center of gravity of openings surrounded by the gate lines, the signal lines, the auxiliary capacitance line, and ends of the contact electrode are the same in a direction where the signal line extends. | 10-03-2013 |
20130300962 | LIQUID CRYSTAL DISPLAY DEVICE - A first substrate includes first and second gate lines extending in a first direction. First, second, and third source lines respectively extend in a second direction orthogonally crossing the first direction and crossing the first and second gate lines. A first pixel electrode is arranged adjoining the first source line and extends in the second direction. A second pixel electrode is arranged adjoining the third source line and extends in the second direction. A second substrate includes a common electrode arranged above the second source line extending in the second direction between the first source line and the third source line. The first and second source lines, the first and second gate lines, and the first pixel electrode form a first pixel, and the second and the third source lines, the first and second gate lines, and the second pixel electrode form a second pixel. | 11-14-2013 |
20130321725 | LIQUID CRYSTAL DISPLAY DEVICE - According to one embodiment, a liquid crystal display device includes a first substrate including a first source line and a second source line, a first main pixel electrode of a strip shape, a second main pixel electrode of a strip shape. The first substrate is configured such that a first distance between the first main pixel electrode and the first source line is less than a second distance between the first main pixel electrode and the second source line, and a third distance between the second main pixel electrode and the first source line is greater than a fourth distance between the second main pixel electrode and the second source line. | 12-05-2013 |
20130342776 | LIQUID CRYSTAL DISPLAY DEVICE - According to one embodiment, a liquid crystal display device includes a first substrate including a common electrode, a pixel electrode which includes an electrode portion which forms a slit opposed to the common electrode, a second substrate, and a liquid crystal layer formed of a liquid crystal material having a negative dielectric constant anisotropy. The slit and the electrode portion are arranged in the first direction and extend in the second direction. L/S is in a range of between 0.5 and 0.9 when a width of the slit in the first direction is S and a width of the electrode portion in the first direction is L. | 12-26-2013 |
20140028936 | OPTICAL NODE DEVICE - An optical node device includes a light receiving/emitting portion having an input port into which a signal beam is incident and an output port that emits a signal beam of a selected wavelength, a chromatic dispersion device that scatters spatially the signal beam depending on the wavelength of the signal beam, an optical coupler that focuses, onto a two-dimensional plane, beams dispersed by the chromatic dispersion device, a spatial light modulating element arranged so as to receive incident light deployed on an xy plane made up of an x-axis direction deployed according to wavelength and a y-axis direction orthogonal to the x-axis direction, and having numerous pixels arranged in a lattice on the xy plane, and a spatial light modulating element driving portion that drives electrodes of the individual pixels arranged in the xy axial directions in the spatial light modulating element. | 01-30-2014 |
20140036184 | POLARITY INVERSION SIGNAL CONVERTING METHOD, APPARATUS AND DISPLAY - The present disclosure provides a polarity inversion signal converting method, a polarity inversion signal converting apparatus and a display, the polarity inversion signal converting method comprises: judging whether a polarity inversion signal is required to be converted currently and generating a judgment result; changing the polarity inversion signal currently output to a data driver, if the judgment result indicates that the polarity inversion signal is required to be converted currently. With the present disclosure, the polarity inversion signal output to the data driver may be changed according to different situations, so that the driving manners of the data driver may vary flexibly. | 02-06-2014 |
20140055697 | DISPLAY DEVICE - A source AMP output circuit ( | 02-27-2014 |
20140118648 | LIQUID CRYSTAL LENS, A LIQUID CRYSTAL MODULE HAVING THE LIQUID CRYSTAL LENS AND A METHOD OF DRIVING THE LIQUID CRYSTAL MODULE - A liquid crystal lens includes a plurality of first sub liquid crystal portions having refractive indexes varied based on voltages applied thereto, a plurality of second sub liquid crystal portions having refractive indexes varied based on voltages applied thereto, where the second sub liquid crystal portions are adjacent to the first sub liquid crystal portions, respectively and a controller which controls the voltages applied to the first sub liquid crystal portions and the voltage applied to the second sub liquid crystal portions to provide a lens part. | 05-01-2014 |
20140146255 | ARRAY SUBSTRATE, LIQUID CRYSTAL DISPLAY PANEL AND DISPLAY DEVICE - An array substrate comprises: a substrate; and a plurality of gate lines ( | 05-29-2014 |
20140184967 | METHOD FOR DRIVING LIQUID CRYSTAL PANEL, METHOD FOR TESTING FLICKER AND LIQUID CRYSTAL DISPLAY APPARATUS - A method for driving a liquid crystal panel, a method for testing flicker and a liquid crystal display apparatus are disclosed. They relate to the technical field of liquid crystal display. By changing the driving mode of polarity inversion, it is achieved that the flicker test is performed on the liquid crystal panel with the Z inversion array arrangement on basis of the flicker test pattern of 1+2H. In two adjacent columns of pixel units in the plurality of pixel units, one column common data line is connected with the pixel electrodes located at the opposed sides of the common data line alternatively through the thin film transistors. The method for driving the liquid crystal panel comprises: applying the data line driving signals with opposed polarities to the odd columns of data lines and the even columns of data lines within one frame of picture, wherein the polarities of the data line driving signals are inversed, each time two rows of the gate lines have been scanned, to form a specific polarity arrangement, the initial data line driving signals for two adjacent frames of pictures have opposed polarities. | 07-03-2014 |
20150116615 | DISPLAY DEVICE - A display device includes pixels, gate lines, and data lines on a substrate. The pixels include sub-pixels, and each sub-pixel includes a respective one of a plurality of first electrodes connected to one of the gate lines and one of the data lines. The first electrode of the sub-pixel at an n-th row and the first electrode of the sub-pixel at an (n+2)-th row in a same column are connected to different ones of the data lines. The sub-pixels in the n-th and (n+2)-th rows in the same column emit the same color of light. | 04-30-2015 |
20150138464 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: pixel electrodes arranged in respective sub-pixels arrayed in a matrix, plural image signal lines extending in a column direction of the matrix, and supplied with image signals, pixel transistors which are switches arranged in the respective sub-pixels, and supply the image signals to the pixel electrodes, and scanning signal lines extending in a row direction of the matrix, and control conduction of the pixel transistors. The pixel electrodes aligned in a direction along which the image signal lines extend are connected to either of two adjacent image signal lines with six sub-pixels as one period. The pixel electrodes corresponding to five of the six sub-pixels are connected to one of the two adjacent ones of the image signal lines, and the pixel electrode corresponding to one sub-pixel is connected to the other of the two adjacent ones of the image signal lines. | 05-21-2015 |
20150301387 | LIQUID CRYSTAL DISPLAY DEVICE - According to one embodiment, a liquid crystal display device includes a first substrate unit, a second substrate unit, and a liquid crystal layer. The first substrate unit includes a first pixel electrode and a second pixel electrode. The second pixel electrode is adjacent to the first pixel electrode in the first direction. The second pixel electrode is light-reflective. The second substrate unit includes a counter electrode. The counter electrode is light-transmissive. The liquid crystal layer is provided between the first substrate unit and the second substrate unit. The first pixel electrode includes a first electrode portion and a second electrode portion. The first electrode portion is light-reflective. At least a portion of the second electrode portion is provided between the first electrode portion and the second pixel electrode. A light reflectance of the second electrode portion is lower than a light reflectance of the first electrode portion. | 10-22-2015 |
20150339988 | DISPLAY DEVICE AND ELECTRONIC DEVICE - According to one embodiment, a display device includes first, second, and third interconnects, switch elements, pixel electrodes, a display layer, first, and second color filters, and a controller. The first interconnects extend in a first direction and are arranged in a second direction. The second interconnects extend in the second direction and are arranged in the first direction. The switch elements are electrically connected to the first and second interconnects. The pixel electrodes are electrically connected to the switch elements. The third interconnects extend in the second direction and are arranged in the first direction. The display layer performs an optical operation of light emission or a change of an optical characteristic. The first color filters are of a first color. The second color filters of a second color have a higher visibility than the first color. The controller is electrically connected to the first, second, and third interconnects. | 11-26-2015 |
20150355488 | DRIVING APPARATUS OF A DISPLAY PANEL AND DISPLAY APPARATUS - The present disclosure discloses a driving apparatus of a display panel and a display apparatus. A temperature detection module for detecting a temperature of the switching power supply is provided, so that when the temperature of the switching power supply is larger than or equal to a preset temperature value, the temperature detection module may feed back to the clock controller a first control signal. The clock controller may switch a polarity inversion mode of displaying an image on the display panel according to the received first control signal, i.e., switching the polarity inversion mode from the first polarity inversion mode with a large power consumption into a second polarity inversion mode with a small power consumption, thereby reducing the power consumption of the switching power supply and thus reducing the temperature of the switching power supply. | 12-10-2015 |
20150379947 | DISPLAY DEVICE - A display device includes a pixel array including a first set of subpixels of first to fourth colors and a second set of subpixels of the first to fourth colors. The display device also includes a data driver configured to generate first data voltages and second data voltages, the first data voltages having a first polarity with respect to a common voltage that is applied to the pixel array and the second data voltages having a second polarity with respect to the common voltage that is different than the first polarity, and wherein the data driver applies the first data voltages of the first polarity to the first set of subpixels of the first to fourth colors via the data line and subsequently applies the second data voltages of the second polarity to the second set of subpixels of the first to fourth colors via the data line. | 12-31-2015 |
20160005366 | LIQUID CRYSTAL DISPLAY (LCD) AND ACTIVE SHUTTER THREE-DIMENSIONAL (3D) LCD DISPLAY APPARATUS - A LCD display panel and active shutter three-dimensional (3D) LCD display apparatus of the present invention are described. The LCD panel employs a frame amount value of “a”, a positive integer, including a plurality of frames constructs a frame set, the frame set includes at least one non-changed frame and at least one changed frame, and wherein when the LCD panel displays the non-changed frame, a plurality of polarities of pixel units keep constant, and when the LCD panel displays the changed frame, the polarities of pixel units of the LCD panel are changed. The present invention improves the image sticking phenomenon and the 3D image crosstalk. | 01-07-2016 |
20160016003 | LIGHT EMITTING ELEMENT DISPLAY DEVICE WITH LIGHT THERAPY DEVICE AND METHOD FOR DRIVING THE SAME - A light emitting element display device can be used for light therapy. The device includes: a display panel including a plurality of light emitting elements; a retarder plate configured to convert light emitted from the plurality of light emitting elements into circularly polarized light; and a selective polarizer configured to selectively convert light supplied from the retarder plate into linearly polarized light or allow penetration of the light. | 01-21-2016 |
20160085122 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a plurality of pixels arranged in a matrix pattern, each pixel including a first electrode and a second electrode for generating a transverse electric field, wherein: in a first group of pixels arranged in a line along either a row direction or a column direction, pairs of pixels are arranged repeatedly, each pair of pixels including two adjacent pixels that are different from each other in terms of an electrode structure of at least one of the first electrode and the second electrode; and voltages of the same polarity are applied to the two adjacent pixels included in the pair of pixels, and voltages of different polarities from each other are applied to two pixel pairs adjacent to each other in the first group of pixels. | 03-24-2016 |
20160103373 | LIQUID CRYSTAL DISPLAY PANEL, METHOD OF DRIVING THE SAME AND DISPLAY DEVICE - A liquid crystal display panel includes an upper substrate and a lower substrate arranged opposite to each other, a liquid crystal layer disposed between the upper and lower substrates, a first electrode on the upper substrate facing the lower substrate side, and a second electrode and a third electrode on the lower substrate facing the upper substrate and electrically insulated from each other. The first, second and third electrodes are connected respectively to first, second and third voltages. When the first voltage is opposite in polarity to the second voltage and the second voltage is identical in polarity to the third voltage, the liquid crystal display panel is in a first display state. When the first voltage is identical in polarity to the third voltage and the second voltage is opposite in polarity to the third voltage, the liquid crystal display panel is in a second display state. | 04-14-2016 |
20160116807 | DISPLAY APPARATUS - A display apparatus includes gate lines extending in a first direction, data lines crossing the first direction and having polarities of data voltages consecutively repeated every four data lines, and pixels which each comprise three sub-pixels. One of the three sub-pixels has a width in the first direction different from a width in the first direction of another sub-pixel of the three sub-pixels. Each of the three sub-pixels is connected to a corresponding gate line and a corresponding data line. The polarities of the data voltages applied to a first data line and a third data line are opposite and the polarities of the data voltages applied to a second data line and a fourth data line are opposite. The pixels arranged between two adjacent data lines among the plurality of data lines are alternately connected to the two adjacent data lines. | 04-28-2016 |
20160133210 | LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD THEREOF - A liquid crystal display device, including: pixels; data lines and scan lines coupled to the pixels; and a driver configured to supply a scan signal to the scan lines, and supply a data voltage to the data lines. The data lines include first to third data lines, to which a data voltage having a positive polarity is supplied, and which are adjacent to each other, and fourth to sixth data lines, to which a data voltage having a negative polarity is supplied, and which are adjacent to each other. | 05-12-2016 |
20160195739 | DISPLAY DEVICE AND LIQUID CRYSTAL LENS PANEL | 07-07-2016 |
20220137457 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a first substrate, a second substrate, a vertical alignment liquid crystal layer, and a plurality of pixels. Each of the pixels includes a reflective region for performing display in a reflection mode. The first substrate includes a reflective electrode including a first region located within each of the plurality of pixels and a second region located between any two pixels, of the plurality of pixels, adjacent to each other, a transparent insulating layer provided to cover the reflective electrode, and a pixel electrode formed from a transparent conductive material and provided on the transparent insulating layer in each of the plurality of pixels. The second substrate includes a counter electrode provided to be opposite to the pixel electrode and the reflective electrode. Voltage of the same polarity is applied to the liquid crystal layer of any two pixels, of the plurality of pixels, adjacent to each other along a row direction, any two pixels, of the plurality of pixels, adjacent to each other along a column direction, or all of the plurality of pixels. The counter electrode and the reflective electrode are provided with potentials different from each other. | 05-05-2022 |