Abstract: A display panel is provided and includes a display unit and a control unit. The display unit is coupled to a data line and a first scan line. In the display unit, a liquid crystal capacitor is coupled between a pixel electrode and a first common line, and a storage capacitor is coupled between the pixel electrode and a second common line. The control unit receives first and second common voltages and is controlled by first and second control voltage signals and first and second scan signals which are respectively on the first scan line and a second scan line and driven sequentially. The control unit changes the voltage level of the second common line by a two-step manner according to the first and second common voltages. Through feed-through effect of the storage capacitor, the voltage level of the pixel electrode is changed to a desired level.

Abstract: A Liquid Crystal Display (LCD) includes: a liquid crystal panel having liquid crystal cells divided by scan lines and data lines and arranged in a matrix shape; a data driving circuit to supply an image signal to the liquid crystal cells via the data lines; a scan driving circuit to sequentially select and scan the scan lines and to control an on/off state of switching elements arranged in each of the liquid crystal cells; a timing controller to drive both the data driving circuit and the scan driving circuit, based on an externally inputted signal; and a common electrode driving circuit to drive a common electrode of the liquid crystal panel. The common electrode driving circuit supplies a common voltage to the common electrode, the common voltage including a DC voltage for a first period of a first horizontal period (1H) and another voltage for a second remaining period of the first horizontal period (1H).

Abstract: A drive circuit for driving an electro-optical device where the scanning-line driving unit and the data-line driving unit drive, in a surface inversion manner, with a first cycle, the pixel portions in odd partial surfaces in a direction parallel to the data lines among 2M (where M is a natural number) partial surfaces resulting from dividing the display surface by division lines corresponding to the scanning lines, each partial surface including n (where n is a natural number greater than or equal to 2) scanning lines, and drive the pixel portions in even partial surfaces among the 2M partial surfaces in the surface inversion manner with a second cycle complementary to the first cycle.

Abstract: A method for driving a display panel is provided. The display panel includes a first scan line, and the first scan line includes sub-pixels. A first portion of the sub-pixels is controlled by a first gate line, and a second portion of the sub-pixels is controlled by a second gate line. The arrangement of the sub-pixels of the first portion and the second portion are in an interlaced arrangement. The method includes the following steps. First, drive the first gate line and then drive the second gate line in a first image duration. Then, drive the second gate line and then drive the first gate line in a second image duration.

Abstract: Systems for displaying images and control methods are provided. In this regard, a representative control method for a display panel comprising a first source line, a second source line, a third source line, a first gate line and a second gate line, comprises: asserting the first gate line; and sequentially providing a data signal of a first polarity from a first data driver to the first source line and the third source line, and then providing a data signal of a second polarity from the data driver to the second source line.

Abstract: A liquid crystal display device includes drain signal lines, gate signal lines, thin film transistors, and a drain driver. The drain driver includes an amplifier circuit having a switching circuit which switches between a first state and a second state, the first state being a state where a first input terminal of the amplifier circuit is coupled to an inverting input terminal and a second input terminal is coupled to a noninverting input terminal, and the second state being a state where the first input terminal is coupled to the noninverting input terminal and the second input terminal is coupled to the inverting input terminal. The amplifier circuit supplies signal voltages to the thin film transistors via the drain signal lines which are gray scale voltages one of plus and minus offset voltages in a first frame and in a second frame.

Abstract: A method for driving a display panel, the display panel including a plurality of pixels, each of the plurality of pixels including a cholesteric liquid crystal capacitor, includes; applying a common voltage to the display panel, displaying a video on the display panel by applying a data voltage to at least one of the plurality of pixels, the data voltage having a phase which is one of inverted to and substantially the same as a phase of the common voltage with respect to a reference voltage.

Abstract: A liquid crystal display device includes a timing control unit for generating first and second control signals, which are transitioned every ½ frame. A polarity signal is set according to a count number obtained by counting the number of wave forms of the first and/or second control signals. A plurality of gate lines and data lines are arranged on a substrate crossing each other. A plurality of pixels are arranged in a matrix format on the substrate, with two pixels being provided in the regions divided by the gate and data lines. A data driving unit determines polarities of the first and second image data according to the polarity signal being received from the timing control unit, and then supplies the first and second image data to the pixels in the first and second columns through the first and second data lines, respectively.

Abstract: The present invention provides a liquid crystal display device including: a pixel array including a plurality of scanning lines arranged in rows, a plurality of signal lines arranged in columns, a plurality of liquid crystal elements arranged in a matrix corresponding to an intersection of each scanning line and each signal line, and a plurality of common connection lines arranged one by one corresponding to the liquid crystal elements of each line; a scanning line drive circuit; a signal line drive circuit; and a common connection line drive circuit electrically separating, from each other, one or a plurality of common connection lines (first common connection lines), and a plurality of common connection lines (second common connection lines), and electrically connecting the plurality of second common connection lines to each other to independently drive the first common connection line and the second connection lines from each other.

Abstract: An image display apparatus includes a display unit including a liquid crystal panel; a video signal processor configured to perform signal processing on the basis of an image display form in the display unit; and an AC drive controller configured to control video display by receiving a result of the signal processing performed in the video signal processor and controlling a voltage applied to the liquid crystal panel included in the display unit. The AC drive controller performs, for each pixel of the liquid crystal panel, AC drive control of alternately switching a polarity between + and ? in units of pairs of the same signal processing, each pair being two pixels on time series on which signal processing of the same category is performed in the video signal processor.

Abstract: A charge transfer circuit of a liquid crystal display includes at least one inductive element connectable between first and second common terminals, to a first and to a second groups of lines of the display, respectively.

Abstract: In a liquid crystal display, a first data signal line and a second data signal line are provided for each pixel column. In at least one embodiment, in a case where every two pixels in the pixel column are paired, one of two pixels in each pair is connected with the first data signal line and the other of the two pixels is connected with the second data signal line, two scanning signal lines respectively connected with the two pixels are simultaneously selected during one horizontal scanning period so that signal potentials are written into the two pixels from the first data signal line and the second data signal line, respectively, during each horizontal scanning period, supply of the signal potentials to the first data signal line and the second data signal line is performed after supply of preliminary potentials to the first data signal line and the second data signal line.

Abstract: A voltage generating system has a first voltage generating device for generating a plurality of voltages between a maximum voltage and a minimum voltage as a first set of voltages, and a second voltage generating device for generating a plurality of voltages between the maximum voltage and the minimum voltage as a second set of voltages, the second set of voltages being different from the first set of voltages. The first voltage generating device generates the maximum voltage, and supplies the first set of voltages and the maximum voltage to the second voltage generating device. The second voltage generating device generates the minimum voltage, and supplies the second set of voltages and the minimum voltage to the first voltage generating device. The first and second voltage generating devices each select a voltage from the first and second sets of voltages, and output the selected voltage.

Abstract: An image display apparatus includes the following elements. A frame controller divides an input image frame in a time-division manner to generate a plurality of sub-frames. A high-frequency-enhanced sub-frame generator performs filtering processing on the plurality of sub-frames generated by the frame controller to generate high-frequency-enhanced sub-frames. A high-frequency-suppressed sub-frame generator performs filtering processing on the plurality of sub-frames generated by the frame controller to generate high-frequency-suppressed sub-frames. An output controller alternately outputs the high-frequency-enhanced sub-frames and the high-frequency-suppressed sub-frames. A display unit performs frame-hold-type display processing and alternately displays the high-frequency-enhanced sub-frames and the high-frequency-suppressed sub-frames output from the output controller.

Abstract: To provide a driver circuit that enables reduction in the number of elements formed through a high-voltage process and in chip size. An embodiment of the present invention relates to a driver circuit for inversion-driving a liquid crystal display panel, including: a positive-polarity line transmitting a positive display signal relative to a common electrode signal; a negative-polarity line transmitting a negative display signal relative to the common electrode signal; a dot inversion switch circuit switching the positive-polarity line and the negative-polarity line from each other to be connected with a source line; a charge recovery circuit connected with the positive-polarity line through a positive charge recovery switch and connected with the negative-polarity line through a negative charge recovery switch; and a common short circuit connecting the positive-polarity line and the negative-polarity line with a common electrode.

Abstract: A driving device includes (i) a switching circuit, which carries out precharging by (a) separating an outputting circuit from source signal lines, and (b) short-circuiting at least one source signal line whose source signal potential is positive in a certain horizontal period and at least one source signal line whose source signal potential is negative in the certain horizontal period and (ii) a pulse width adjusting circuit which adjusts timings. Therefore, it is possible to carry out a charge sharing without additionally providing an external memory capacitor. On this account, even when a newly designed display section (liquid crystal panel, etc.), which is different in the number of pixels and materials from a conventional display section, is used, it is possible to realize a display device and a driving device which do not require the change in the arrangement of the controller.

Abstract: 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.

Abstract: A method of operating a liquid crystal display device includes: (A) time-divisionally driving pixels in a certain line of an LCD panel so that pixels adjacent in a horizontal direction are driven with data signals of opposite polarities. The (A) step includes: (A1) generating a first data signal of a first polarity on a first output terminal of a driver, and then driving a first pixel out of said pixels in the certain line through electrically connecting the first output terminal to the first pixel; and (A2) generating a second data signal of the first polarity on the first output terminal and then driving a second pixel out of said pixels in the certain line through electrically connecting the first output terminal to the second pixel, in succession to the drive of the first pixel.

Abstract: A method for driving a dark ring of a liquid-crystal-on-silicon (LCOS) display is provided to prevent the fringe effect (bright lines) due to the constant voltage difference between the dark ring and the adjoining pixels within the LCOS display. A dark ring is divided into a plurality of portions. The polarity of each portion is controlled in accordance with the polarity of the adjoining pixels within the LCOS display and the scan direction of gate drivers such that the polarity inversion for each portion will coincide with that for the adjoining pixels within the LCOS display so as to avoid the fringe effect (bright lines).

Abstract: A liquid crystal display apparatus is composed of an LCD panel including data lines, and an LCD driver. The LCD driver includes: a positive drive circuit providing a positive data signal having positive polarity with respect to a ground level of the LCD driver for one of the data lines; and a negative drive circuit providing a negative data signal having negative polarity with respect to the ground level of the LCD driver for another one of the data lines.

Abstract: The present invention provides a liquid crystal display device which can easily prevent the generation of longitudinal smear. The display device includes a display panel having a plurality of scanning signal lines, a plurality of video signal lines, a plurality of thin film transistors and a plurality of pixel electrodes arranged in a matrix array. In a state that a gap between two neighboring video signal lines with one pixel electrode out of the plurality of pixel electrodes sandwiched therebetween in a region where one pixel electrode is arranged is larger than a gap between two neighboring video signal lines with another pixel electrode different from one pixel electrode sandwiched therebetween in a region where another electrode is arranged, a size of one pixel electrode is set larger than a size of another pixel electrode.

Abstract: A liquid crystal display and a method of driving the same are provided. The liquid crystal display includes a liquid crystal display panel including data lines, gate lines crossing the data lines, and liquid crystal cells and having a quad type pixel structure in which red, green, blue, and white subpixels constitute one pixel, a logic circuit sequentially outputting polarity control signals, a data drive circuit that inverts a polarity of a data voltage in response to the polarity control signals to supply the data voltage with the inverted polarity to the data lines, and a gate drive circuit sequentially supplying gate pulses to the gate lines. A logic level of each of the polarity control signals is inverted every three horizontal periods, and phases of the polarity control signals are different from one another.

Abstract: A liquid crystal display device with no flicker and with bright excellent display is provided. A polarity pattern of a conventional frame inversion driving is one kind of display. A polarity pattern of a conventional source line inversion driving is two kinds of display, and a disclination pattern is one kind of display. On the contrary, in a circuit structure of the present invention, polarity patterns are made to have not less than four kinds, and disclination patterns are made to have not less than two kinds. By this, bright display in which flicker is not included and poor display due to disclination is improved, can be obtained.

Abstract: A big screen display suitable for moving image displaying that has an excellent viewing angle property, an excellent reliability and a productivity, and a quick speed of response, and has a bright and excellent contrast is realized at low cost. Vertically aligned mode liquid crystal display comprises a scan wiring, a video signal wiring, a pixel electrode, an alignment directional control electrode, and a thin film transistor element formed in a position where a scan wiring and a video signal wiring intersect with each other, and a common electrode formed in opposing substrate side. An electric field distribution formed with three electrodes comprising an alignment directional control electrode, and a pixel electrode, and a common electrode formed in an countering substrate side may control motion directions of vertically aligned anisotropic liquid crystal molecules having a negative dielectric constant.

Abstract: A common voltage driving circuit of an in-plane switching (IPS) mode liquid crystal display (LCD) device includes a first common voltage output part for swinging and outputting positive (+) and negative (?) common voltages on odd numbered common lines, a second common voltage output part for swinging and outputting negative (?) and positive (+) common voltages on even numbered common lines, an intermediate level output part for outputting an intermediate level voltage between the positive (+) and negative (?) common voltages output from the first and second common voltage output parts, a first switching part for selecting one out of the voltages output from the first common voltage output part and the intermediate level output part, and outputting the selected one, and a second switching part for selecting one out of the voltages output from the second common voltage output part and the intermediate level output part, and outputting the selected one.

Abstract: In a first aspect, a substrate loading station is served by a conveyor which continuously transports substrate carriers. A substrate carrier handler that is part of the substrate loading station operates to exchange substrate carriers with the conveyor while the conveyor is in motion. A carrier exchange procedure may include moving an end effector of the substrate carrier handler at a velocity that substantially matches a velocity of the conveyor. Numerous other aspects are provided.

Abstract: A driver circuit of a display device according to an embodiment of the invention includes: a dot-inversion switch selectively supplying a driving voltage generated with an operational amplifier to a first pixel electrode or a second pixel electrode, the dot-inversion switch including: an operational amplifier-side switch and a pixel-side switch supplying the driving voltage to the first pixel electrode or the second pixel electrode; and a common short-circuit switch connected to a node between the operational amplifier-side switch and the pixel-side switch to supply an intermediate potential to the node.

Abstract: The liquid crystal display apparatus of the present invention includes: a liquid crystal panel having a liquid crystal layer and an electrode for applying a voltage to the liquid crystal layer; and a drive circuit for supplying a drive voltage to the liquid crystal panel. The drive circuit supplies a drive voltage obtained by giving an overshoot to a gray-scale voltage corresponding to an input image signal in the current vertical period, the drive voltage being determined in advance according to a combination of an input image signal in the immediately-preceding vertical period processed based on a predicted value of the transmittance of the liquid crystal panel in the immediately-preceding vertical period and the input image signal in the current vertical period.

Abstract: An LCD device and a driving method thereof are disclosed. The LCD device and the driving method thereof accurately recognize an input pattern and perform the operation of any one of several inversion systems corresponding to the recognized pattern. Also, the LCD device and the driving method thereof detects the priority order of at least two different patterns and perform the operation of an optimized inversion system, even though at least two different patterns input.

Abstract: An objective of the present invention is to prevent the occurrence of horizontal streaks in a screen of a display device that implements pseudo impulse display by performing black insertion. In a display device that implements pseudo impulse display by performing black insertion, a gate driver applies to each gate bus line a scanning signal including a pixel data write pulse (Pw) for writing pixel data to a pixel formation portion and black voltage application pulses (Pb) for writing a black voltage, based on a gate output control signal (GOE). Here, when the polarity of a polarity control signal (REV) is the same for two consecutive horizontal scanning periods, the gate output control signal (GOE) is maintained at a high level. When the gate output control signal (GOE) is at a high level, the gate driver inhibits a black voltage application pulse (Pb) from being generated in all the scanning signals.

Abstract: Power consumption in an active matrix type liquid crystal display device having partial display function is reduced. In one frame period, a display area corresponding to first 80 horizontal periods, that is the first line through the 80th line, is set as a partial display area and a display area corresponding to the remaining 239 lines is set as a background display area. And a partial display area control signal ENBSC is set at a low level and an SC inversion drive is performed in the partial display area. The partial display area control signal ENBSC is fixed at a high level in the background display area and all of SC inversion control units corresponding to the background display area halt their operation.

Abstract: A common voltage compensation device suitable for a display panel of a liquid crystal display is provided. The common voltage compensation device includes a timing controller and a compensation circuit. The timing controller receives an image signal and generates control signals to the compensation circuit according to a determination mechanism. The compensation circuit sends a common voltage compensation signal to the display panel according to the control signals outputted from the timing controller in order to compensate the common voltage on the display panel. The determination mechanism performs an analysis of a gray scale distribution of a horizontal line signal of the image signal, and determines whether to compensate the common voltage according to an analysis result, and determines a polarity required to be compensated to perform the compensation when the compensation is needed.

Abstract: A liquid crystal display apparatus includes synchronization signal extracting means for extracting a vertical synchronization signal from a noninterlace signal, first reversal signal generating means for generating a first polarity reversal signal that causes reversal of polarity of a signal voltage every frame for a switching device associated with each of pixels according to the vertical synchronization signal, reversal control signal generating means for generating a reversal control signal according to a result of comparison between frames of the noninterlace signal, second reversal signal generating means for generating a second polarity reversal signal by reversing polarity of the first polarity reversal signal according to the reversal control signal, and switching device driving means for driving each of switching devices according to the second polarity reversal signal.

Abstract: A power supply apparatus of the present invention comprises: a constant voltage generation section (first DAC (21), second DAC (22), resistor (R2), resistor (R3)) that generates a positive constant voltage (Va); a pulse voltage generation section (pulse oscillator (23), amplifier (24)) that generates a positive pulse voltage (Vb); a capacitor (C1) of which one end is connected to the output terminal of the pulse voltage generation section; and a diode (D1) of which an anode is connected to the other end of the capacitor (C1), and of which a cathode is connected to the output terminal of the constant voltage generation section. A positive-negative bipolar pulse voltage (Vc) is outputted from the other end of the capacitor (C1). Thus, it is possible to generate a positive-negative bipolar pulse voltage with a simple and small-scale circuit configuration.

Abstract: A voltage conversion device has a non-linear gain, for converting analog voltage provided by an analog voltage source. The voltage conversion device comprises a gain decision module, a voltage selection module, and a voltage output module. The gain decision module comprises an analog to digital (A/D) converter and a gain selector. The A/D converter is used for converting analog voltage provided by the analog voltage source into digital signals. The gain selector is used for determining a gain. The voltage selection module is used for outputting a direct-current (DC) voltage. The voltage output module has a first input end coupled to the gain selector, an output end coupled to the gain selector, and a second input end coupled to the voltage selection module, for outputting an amplified result of the DC voltage outputted from the voltage selection module.

Abstract: A display device for a liquid crystal display (LCD) panel using a RGBW color filter and a display method thereof are provided. The display device includes a source driver and a MSHD(Multi-Switch Half source Driving) display panel. The display method includes arranging the RGB color filter onto the MSHD display panel; using the source driver to drive a plurality of pixels of the MSHD display panel in a polarity-dot-inversion form; and displaying a frame formed of the plurality of pixels of the MSHD display panel which are in polarity-dot-inversion form via the light passing through the RGBW color filter.

Abstract: A driving apparatus of a liquid crystal display device includes a liquid crystal display panel display a video signal by use of a liquid crystal cell of a matrix shape. A plurality of data drive circuits generate a polarity pattern of the video signal in accordance with a polarity signal and supply the polarity pattern to the liquid crystal cell through a plurality of output channels. A polarity controller controls the polarity signal and supplies the polarity signal to the data drive circuits on the basis of a first selection signal corresponding to the number of the output channels of one drive circuit and a second selection signal corresponding to a repetition period of the polarity pattern.

Abstract: A color display device comprises a plurality of picture elements (14), at least two light sources, having different radiance spectra and being activated alternately, and color selection means for generating, together with said light sources, primary colors in a color image (P1, P2). Each of a number of image information sets, each set being related to a color image (P1, P2) to be displayed, are divided into a first subframe (A1, A2), being picture element settings to be maintained during the operation of a first light source, and a second subframe (B1, B2), being picture element settings to be maintained during the operation of a second light source. The polarity of the picture elements (14) is, in an alternating manner, shifted between a first polarity (+) and a second polarity (?).

Abstract: A pixel of the LCD is driven according to a precharge pixel value and a compensation pixel value both being generated from a pixel value during a precharge field and a compensation field respectively. A precharge driving voltage corresponding to the precharge pixel value, and a compensation driving voltage corresponding to the compensation pixel value is then determined and used to drive the pixel. The lightness of the pixel driven according to the precharge pixel value and the compensation pixel value is substantially the same as the lightness of the pixel if driven according to the pixel value. The precharge field comes before the compensation field when the precharge pixel value is larger than the compensation pixel value, and the compensation field comes before the precharge field when the compensation pixel value is larger than the precharge pixel value.

Abstract: A method of driving a liquid crystal display device having a plurality of gate lines, a plurality of data lines and a plurality of pixel electrodes includes: applying sequentially a gate signal to the plurality of gate lines, the gate signal being applied to odd gates lines of the plurality of gate lines for a first pulse time period and being applied to even gate lines of the plurality of gate lines for a second pulse time period shorter than the first pulse time period; and supplying a data signal to each of the plurality of data lines.

Abstract: A display device includes a display panel having pixels arranged in a matrix form, a driving circuit for outputting an analog voltage according to a video signal to the pixels through signal lines, a plurality of measuring circuits each for detecting the amount of transmitted light, a single totalizing circuit for totalizing the results of measurements made by the measuring circuits, and a control circuit for adjusting a potential on a common electrode of the display panel in accordance with the result of the totalization from the totalizing circuit. The results of measurements made by the plurality of measuring circuits are totalized by the single totalizing circuit.

Abstract: A display capable of rendering flickering hard to visually recognize, reducing power consumption and simplifying the structure of a circuit for negatively/positively reversing an image is provided. This display comprises a plurality of drain lines and a plurality of gate lines, a first pixel portion and a second pixel portion each including a subsidiary capacitor having a first electrode and a second electrode and a first subsidiary capacitance line and a second subsidiary capacitance line connected to the subsidiary capacitors of the first pixel portion and the second pixel portion respectively.

Abstract: A liquid crystal display apparatus is disclosed which can prevent occurrence of flicker for a long time. The apparatus comprises a liquid crystal modulation element which includes a first electrode, a second electrode made of a material different from that of the first 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 also comprises a controller which changes at least one of the potential to be applied to the first electrode and the central potential of the potential to be applied to the second electrode, which periodically changes between positive and negative with respect to the central potential, such that flicker is suppressed within a certain range.

Abstract: A display device includes: a display panel including pixels; a signal controller that stores FRC patterns including data elements having first or second value, selects one of the FRC data patterns based on input image data having a first bit number, and converts the input image data into output image data having a second bit number based on the selected FRC data pattern; and a data driver applying to the pixels data voltages corresponding to the output image data supplied from the signal controller. The data voltages have first or second polarity, and the number of the pixels supplied with data voltages that correspond to the output image data converted based on the first value and have the first polarity is equal to the number of the pixels supplied with data voltages that correspond to the output image data converted based on the first value and have the second polarity.

Abstract: A display device including a liquid crystal display (LCD) device with an improved image quality is provided. The LCD includes a liquid crystal (LC) panel having horizontal lines and vertical lines arranged in a matrix configuration; a gate driver for supplying a scan signal to the horizontal lines; and a data driver inverting a polarity of interlace pixel data by a unit of at least two fields, converting the interlace pixel data every field according to a gamma voltage, and supplying the converted pixel data to the vertical lines.

Abstract: A liquid crystal display (“LCD”) includes a liquid crystal panel having gate lines, data lines and pixels. The pixels are grouped into pixel lines. The LCD further includes a data driver which performs line-inversion driving by applying a data voltage having a positive or a negative polarity to the pixels such that the pixels in each pixel line have a same polarity. The pixel lines are grouped into first and second pixel line groups. A polarity of the pixels in each pixel line of the first pixel line group is the same as a polarity of the pixels in at least one pixel line disposed on an immediately adjacent side thereof. A polarity of the pixels in each pixel line of the second pixel line group is opposite to a polarity of both pixels in pixel lines disposed on two immediately adjacent sides thereof.

Abstract: A driving apparatus for a liquid crystal display device includes a liquid crystal display panel having a plurality of data lines and gate lines arranged in a matrix configuration, a data driver for supplying video data to the data lines, a gate driver for supplying gate pulses to the gate lines, and a timing controller for controlling polarity of the video data by supplying a polarity inversion signal to the data driver and controlling a timing of the data driver and the gate driver according to a number of horizontal synchronization signals supplied during a data blanking period, wherein a plurality of the polarity inversion signals are different from each other.

Abstract: A liquid crystal display panel includes a first scan line, a second scan line, a data line, a first pixel and a second pixel. The first pixel has a first switch, a second switch and a first pixel electrode. The second pixel has a third switch and a second pixel electrode. The driving method of the liquid crystal display panel includes the following steps. During a first time period, the first scan line and the second scan line are enabled at the same time, and a first pixel voltage is inputted to the data line. During a second time period, the first scan line is enabled, the second scan line is disabled, and a second pixel voltage is inputted to the data line. The second time period is shorter than the first time period.

Abstract: Provided is a liquid crystal display panel having gate drivers. The LCD panel includes a gate line shift circuit setting a gate line scanning order such that the gate lines are sequentially scanned in units of n gate lines with k?1 gate lines between each pair of adjacent gate lines in each unit according to an interleaving method in response to a gate line-on signal received from a timing control unit outside the LCD panel, wherein the LCD panel reproduces source data output from a source driver outside the LCD panel in the gate line scanning order set by the gate line shift circuit. The LCD panel inverts the polarity of a common voltage for every unit of n gate lines, instead of every gate line, thereby reducing power consumption. In addition, since every kth gate line is scanned according to the interleaving method, deterioration of image quality such as a flickering phenomenon can be prevented, which is an advantage of a line inversion driving method.

Abstract: An apparatus includes a polarity reversing section which generates a polarity reversing signal for the liquid crystal drive voltage; a liquid crystal driver which reverses the polarity of the liquid crystal drive voltage based on the polarity reversing signal to drive the liquid crystal display panel; a warning signal generation section which generates a warning signal indicating the polarity reverse before the polarity of the liquid crystal drive voltage is reversed; and a regulator section which controls a supply of the liquid crystal drive voltage in accordance with the warning signal.