Class / Patent application number | Description | Number of patent applications / Date published |
345096000 | Field period polarity reversal | 52 |
20080198123 | LIQUID CRYSTAL DISPLAY, APPARATUS FOR DRIVING A LIQUID CRYSTAL DISPLAY, AND METHOD OF GENERATING GRAY VOLTAGES - A liquid crystal display, apparatus for driving a liquid crystal display and a method of driving gray voltages for the same. The liquid crystal display includes a plurality of gate lines transmitting gate signals, a plurality of data lines intersecting the plurality of gate lines and transmitting data voltages, and a plurality of pixel rows. Each pixel row includes a plurality of pixels, and each pixel includes a switching element connected to one of the plurality of gate lines and one of the plurality of data lines. The polarity of the data voltages supplied to the plurality of pixels are inverted by a pixel group including two or more pixel rows. The absolute values of the data voltages applied to one row of the pixel group with respect to a first predetermined voltage are greater than the absolute values of the data voltages applied to another row of the pixel group for the same grays. | 08-21-2008 |
20080198124 | LIQUID CRYSTAL DISPLAY APPARATUS - There is provided an liquid crystal display apparatus configured to invert a pixel voltage and a common voltage on a frame to frame basis while setting a transition voltage Vt in such a manner that the polarity of the pixel voltage to be applied to a pixel electrode of each display pixel and the polarity of the common voltage to be applied to a common electrode of a common substrate are differentiated. | 08-21-2008 |
20080218466 | Display device and electronic equipment - A display device includes a display unit in which pixels are arranged in a matrix state and a drive circuit selecting respective pixels in the display unit by each row and giving additional potential to pixel electrodes of the pixels by using coupling, in which the drive circuit has a function of allowing the reverse polarity of potential added to pixel electrodes to be a potential which can add suitable voltage to additional potential lines in a frame before adding the additional potential. | 09-11-2008 |
20080224980 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a plurality of gate lines having odd-numbered gate lines and even-numbered gate lines, a plurality of source lines, a first gate driver which drives the odd-numbered gate lines, a second gate driver which drives the even-numbered gate lines and a driving controller which outputs an overdriven image signal in at least one driving period of a plurality of driving periods and outputs a normal image signal in remaining driving periods of the plurality of driving periods. The overdriven image signal is obtained by adding an overdrive voltage to the normal image signal, and the overdrive voltage is set according to a level of the normal image signal. | 09-18-2008 |
20080246720 | DISPLAY SUBSTRATE AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A liquid crystal display includes: a first pixel connected to first and second gate lines, a first positive data line and a first negative data line, and which is supplied with a positive data voltage from the first positive data line when enabled by a first gate-on voltage from the first gate line, and is supplied with a negative data voltage from the first negative data line when enabled by a second gate-on voltage from the second gate line; and a second pixel connected to the first and second gate lines, a second positive data line and a second negative data line, and which is supplied with a negative data voltage from the second negative data line when enabled by the first gate-on voltage and is supplied with a positive data voltage from the second positive data line when enabled by the second gate-on voltage. | 10-09-2008 |
20080246721 | Method of driving image display, driving device for image display, and image display - An image display according to the present invention includes a driving device which performs pulse width modulation drive, restrains power consumption, and produces a good multi-tone display. The image display makes the difference between the scan line voltage and the signal line voltage equal in positive polarity writing and negative polarity writing by which pixels are AC driven, so as to make the on-resistances of transistors equal. This allows a maximum pulse width, the size of switching elements, etc. to be determined first so that they match positive polarity writing in which the resistances value of the switching elements rise. No high frequency clock is required to produce subtle differences of charge ratio in negative polarity writing in which the resistances of the switching elements fall. Power consumption which depends on the clock frequency drops too. | 10-09-2008 |
20080259018 | LIQUID CRYSTAL DEVICE, METHOD OF DRIVING THE SAME AND ELECTRONIC APPARATUS - A liquid crystal device has a display mode in which an image is displayed and a non-display mode in which no image is displayed. A scanning line driving device selects a plurality of scanning lines in a predetermined order every unit period. A data line driving device supplies pixel circuits corresponding to a selected one of the scanning lines through the data lines with writing voltages. The data line driving device, in the non-display mode, supplies each data line with the predetermined voltage, as the writing voltage, of which polarity is inverted in a period of integral multiple of the unit period using the reference electric potential as a reference. The scanning line driving device, in the non-display mode, selects each of the scanning lines in a unit period that is longer than the unit period of the display mode. | 10-23-2008 |
20080266232 | LCD and display method thereof - A LCD includes a first data line, a second data line and a third data line arranged sequentially, a first scan line, a second scan line and a third scan line arranged sequentially, and a pixel array. The pixel array includes a first pixel, a second pixel, a third pixel and a fourth pixel. The first pixel has a first transistor coupled to the first data line and the second scan line. The second pixel has a second transistor coupled to the second data line and the first scan line. The third pixel has a third transistor coupled to the second data line and the second scan line. The fourth pixel has a fourth transistor coupled to the third data line and the third scan line. | 10-30-2008 |
20080278426 | Method and Apparatus for Driving LCD Panel for Displaying Image Data - A method for driving an LCD panel for displaying image data includes generating a random code sequence including a plurality of random codes with values equal to a first value or a second value, generating a plurality of driving voltages corresponding to a plurality of pixels in the LCD panel according to the image data, adjusting polarities of the plurality of driving voltages according to the random code sequence, and driving the plurality of pixels with the plurality of driving voltages after polarity adjustment. | 11-13-2008 |
20080284706 | Driving Liquid Crystal Display with a Polarity Inversion Pattern - This invention relates to driving a liquid crystal display with a polarity inversion. The liquid crystal display panel ( | 11-20-2008 |
20080284707 | Liquid crystal driver, liquid crystal driving method and liquid crystal display device - A liquid crystal driver is provided, in which a frame rate of an input image signal is multiplied by 2N (N is an integer of one or more); each frame is divided into N positive field(s) and N negative field(s) respectively; the image signal is supplied to a liquid crystal panel with a positive polarity in a positive field; and the image signal is supplied to the liquid crystal panel with a negative polarity in a negative field. The liquid crystal driver includes a corrected image signal generator configured to generate a corrected image signal having the same amount of correction added to the positive field and negative field. The corrected image signal is supplied to the liquid crystal panel with the positive polarity in the positive field and the corrected image signal is supplied to the liquid crystal panel with the negative polarity in the negative field. | 11-20-2008 |
20080284708 | Liquid Crystal Display Device - In a liquid crystal display device in which each one pixel has two switching elements and two pixel electrodes, a heat value of a drive circuit can be suppressed to a low level thus preventing the deterioration of image quality. In a liquid crystal display device in which a display region is formed of a mass of pixels each having a first switching element, a first pixel electrode connected to the first switching element, a second switching element, and a second pixel electrode connected to the second switching element, the first switching element and the second switching element in one pixel are respectively connected with different video signal lines, and the relationship between a potential of a signal applied to the first pixel electrode in one pixel and a potential of a signal applied to the counter electrode and the relationship between a potential of a signal applied to the second pixel electrode in the one pixel and the potential of the signal applied to the counter electrode during one frame period is set such that one relationship assumes the positive-polarity relationship and the other relationship assumes the negative-polarity relationship. | 11-20-2008 |
20080297458 | Liquid crystal display using combination dot inversion driving method and driving method thereof - An exemplary liquid crystal display includes a data circuit, a memory, and a timing controller. The timing controller includes: a data analysis circuit configured for analyzing video signals stored in the memory and generating a corresponding control signal; and a polarity generating circuit configured for receiving the control signal and outputting a selected one of a first polarity control signal and a second polarity control signal to the data circuit according to the control signal. A related method for driving the liquid crystal display is also provided. | 12-04-2008 |
20080303773 | POWER CONTROL METHOD AND SYSTEM FOR POLARITY INVERSION IN LCD PANELS - A power control method for polarity inversion in an LCD panel comprises the step of providing a storage capacitor on a circuit board. Thereafter, the storage capacitor is charged to a first middle voltage. Next, the voltage of the VCOM channel is pulled up by a common output amplifier, only from the first middle voltage to a first upper voltage during a positive polarity period. Also, the voltage of the VCOM channel is pulled down by the common output amplifier, only from the first middle voltage to a first lower voltage during a negative polarity period. | 12-11-2008 |
20080316162 | Liquid crystal display and driving method thereof - An exemplary liquid crystal display ( | 12-25-2008 |
20090040162 | METHOD FOR DRIVING AN ACTIVE MATRIX LIQUID CRYSTAL DISPLAY DEVICE - A method for driving an active matrix liquid crystal display device of the invention is provided to drive a common voltage applied on a common electrode facing a pixel electrode by inversion for displaying a part of the display area, wherein the common voltage is controlled by synchronizing the polarity inversion timing of the common electrode with the scan timing of the pixel electrode in an initial position of the displayed area. | 02-12-2009 |
20090051641 | Active Matrix Type Liquid Crystal Display Device and Drive Method Thereof - A voltage corresponding to a black display is applied in a part of one frame period. When a black signal insertion period is changed, the black signal insertion period after the change is controlled so that (i) a time from a position at which a signal voltage of a first or second storage capacitor line rises to a position at which a first black insertion pulse rises in the black signal insertion period before the change becomes equal to (ii) a time from a position at which a signal voltage of the first or second storage capacitor line rises to a position at which a first black insertion pulse rises in the black signal insertion period after the change. This makes it possible to provide an active matrix type liquid crystal display device capable of preventing the occurrence of a difference in luminance between an upper side of a display panel screen and a lower side of the display panel screen in a case where black insertion is carried out with respect to a display panel which forms bright and dark sub-pixels by changing, for every sub-pixel, an effective voltage to each pixel by capacitive coupling of a storage capacitor and a liquid crystal capacitor, and a drive method of the active matrix type liquid crystal display device. | 02-26-2009 |
20090058784 | DISPLAY DEVICE - A display device includes a first substrate, a first electrode comprising first electrode extensions formed on the first substrate, a second electrode comprising second electrode extensions formed on the first substrate and arranged alternately with the first electrode extensions, a second substrate facing the first substrate, liquid crystal molecules interposed between the first substrate and the second substrate, wherein electrode gaps formed between the first electrode extensions and the second electrode extensions comprise first electrode gaps and second electrode gaps, and the first electrode gaps are different from the second electrode gaps, and wherein the liquid crystal molecules are aligned vertically to the first and the second substrate, when the electric field is not formed between the first and the second substrate. | 03-05-2009 |
20090058785 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display including: a first common electrode line and a second common electrode line located near an edge of a panel and at least partly surrounding a plurality of pixels on the panel; a first common line positioned at an i | 03-05-2009 |
20090058786 | Liquid crystal display and inversion drive method - One embodiment of the invention includes an liquid crystal display (LCD) with multiple polarity signal lines that control output buffer blocks so that at least one voltage polarity of a signal transmitted via a data line controlled by a first output buffer block inverts non-simultaneously with at least one voltage polarity of a signal transmitted via a data line controlled by a second output buffer block. | 03-05-2009 |
20090091526 | Color active matrix type vertically aligned mode liquid crystal display and driving method thereof - 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. | 04-09-2009 |
20090102777 | Method for driving liquid crystal display panel with triple gate arrangement - A method is provided for driving a liquid crystal display panel in which each pixel includes a plurality of sub-pixels arranged in a specific direction, the method including feeding drive voltages to sub-pixels within the liquid crystal display panel by using operational amplifiers. The polarities of the drive voltages fed to each of the sub-pixels are inverted between two adjacent frame periods. The offset polarities of the operational amplifiers are inverted for every a predetermined number of successive sub-pixels. The number of the sub-pixels within each pixel is coprime to the predetermined number of successive sub-pixels. | 04-23-2009 |
20090167667 | SIGNAL-LINE DRIVING CIRCUIT, DISPLAY DEVICE AND ELECTRONIC EQUIPMENTS - A signal-line driving circuit configured to supply a signal voltage having the positive or negative polarity to each of signal lines connected to display cells arranged to form a matrix as cells each to be subjected to a polarity inversion driving operation according to inversion of the polarity of the signal voltage, the signal-line driving circuit including an output buffer section, wherein the output buffer section employs a positive-polarity operating amplifier, a negative-polarity operating amplifier, a first output buffer, a second output buffer, and a switch group. | 07-02-2009 |
20090207117 | FIELD SEQUENTIAL LCD DRIVING METHOD - The present invention discloses a driving method for a liquid crystal display. The liquid crystal display has a plurality of pixels arranged in a matrix form. The method includes the following steps. The first step is to write black data to the pixels using an over driving voltage. The second step is to select partial of the pixels or all pixels to write color data based on a color image signal. The third step is to turn on the corresponding backlight based on the color data. | 08-20-2009 |
20090262059 | TIMING CONTROLLER, LIQUID CRYSTAL DISPLAY, AND METHOD FOR DRIVING THE SAME - A timing controller, an LCD, and a method for driving the LCD are provided. The LCD comprises an LCD panel having a plurality of gate lines and source lines, a data driver, and a scanning driver. The scanning driver supplies a m-pulse scanning signal to each of the gate lines of the LCD panel, wherein m is an integer equal to or larger than 2. The second pulse of the m-pulse scanning signal supplied to the n-th gate line is in synchronization with the first pulse of the m-pulse scanning signal supplied to the (n+1)-th gate line, wherein n is an integer equal to or larger than 1. | 10-22-2009 |
20090267884 | Liquid Crystal Display Device and Method for Driving Same - A drive circuit of a liquid crystal display device performs line inversion drive based on a correction video signal V. A look-up table ( | 10-29-2009 |
20090273555 | Liquid crystal display and method of driving the same - A liquid crystal display and a method of driving the same are disclosed. The liquid crystal display includes a timing signal multiplying circuit multiplying a frequency of a timing signal, a timing control signal generating circuit generating a polarity control signal based on the multiplied timing signal, a polarity control signal inverting circuit that inverts the polarity control signal in response to an inverse periodic signal, that is inverted every constant time interval, to generate an inverse polarity control signal, and a data drive circuit that respectively converts digital video data and digital black data into a video data voltage and a black gray level voltage, inverts polarities of the video data voltage and the black gray level voltage in response to the inverse polarity control signal, and supplies the video data voltage and the black gray level voltage to data lines. | 11-05-2009 |
20090322666 | Driving Scheme for Multiple-fold Gate LCD - A driving scheme for a multiple-fold gate liquid crystal display (LCD), such as a double gate LCD, is disclosed. A forward driving sequence is provided to drive bank A and bank B of pixel electrodes in a number of rows. Subsequently, a reverse driving sequence is obtained to drive the bank A and the bank B in a number of neighboring rows. | 12-31-2009 |
20100013752 | Low Feed-Through Voltage Liquid Crystal Display Device And Related Operating Method - A liquid crystal display (LCD) device may include a scan line that is parallel and adjacent to a compensation signal line. A compensation signal transmitted on the compensation signal line may be the inverse of a scan signal transmitted on a scan line. Consequently, feed-through voltage may be reduced and gray levels may be more properly displayed in pixels. | 01-21-2010 |
20100026616 | Liquid crystal display - The present invention provides a liquid crystal display including: a plurality of pixels each including one or more liquid crystal elements and one or more first TFT elements; a driving section performing polarity inversion driving by applying driving voltages based on an image signal to the liquid crystal element in each pixel while the driving voltages are inversely polarized; and second TFT elements controlled by the driving section. The first TFT element allows the driving voltage to be applied to the liquid crystal element in its own pixel in accordance with control by the driving section. Each of the second TFT elements allows a couple of liquid crystal elements to be electrically connected to each other. The couple of liquid crystal elements are applied with a couple of driving voltages, respectively, within a same frame period. The couple of driving voltages have inversed polarizations with each other. | 02-04-2010 |
20100277406 | METHOD FOR DRIVING A DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE METHOD - 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. | 11-04-2010 |
20110043439 | LIQUID CRYSTAL DISPLAY DEVICE, DISPLAY CONTROL DEVICE, AND LIQUID CRYSTAL DISPLAY METHOD - The liquid crystal display device inverts the polarity of the data signal once in the first one of n iterations (n is an integer of 2 or more) of the horizontal blanking period. Then, in each of the remaining n−1 iterations of the horizontal blanking period, the polarity of the data signal is inverted twice. A plurality of data lines are short-circuited together when inverting the polarity of the data signal, and a scan line is selected in a write period during which the data signal is applied to a picture element forming portion. Moreover, a scan line is selected in synchronism with a timing for short-circuiting the data lines before the once-selected scan line is selected again in a write period. | 02-24-2011 |
20110050553 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device employing a dot inversion drive method includes a pixel array, a data driver circuit, a short circuit, and a scanning circuit. The short circuit is disposed for respective outputs of the data driver circuit, and includes a switching element for connecting each of the outputs to a precharge voltage different from an output voltage. The short circuit includes the switching element disposed in one of a first switching group and a second switching group; the switching element of one of the first switching group and the second switching group is connected to respective pairs of pixel column units including an odd-numbered pixel column and an even-numbered pixel column which are adjacent to each other; and the pairs of pixel column units which are adjacent to each other are each connected to the switching element disposed in respective switching groups different from each other. | 03-03-2011 |
20120092241 | LIQUID CRYSTAL DISPLAY - A liquid crystal display comprising an array substrate formed with gate lines, data lines and pixel electrodes. Odd rows of pixel electrodes in the same column are connected with one of data lines at two sides of the column, even rows of pixel electrodes are connected with the other one of the data lines; pixel electrodes in the same row are controlled by one of the two gate lines at two sides of the row of pixel electrodes, pixel electrodes controlled by each gate line are located in the same row; there are two gate lines between two adjacent rows of pixel electrodes; two adjacent pixel electrodes in the same row between two adjacent data lines are controlled by one of the two gate lines at two sides of the row of pixel electrodes, and they are connected with one of the two adjacent data lines. | 04-19-2012 |
20120133577 | DRIVE DEVICE FOR LIQUID CRYSTAL DISPLAY PANEL - A drive device for driving a liquid crystal display panel by column inversion driving, whereby power consumption is further reduced. | 05-31-2012 |
20130285892 | LIQUID CRYSTAL DISPLAY PANEL AND DRIVING METHOD THEREOF, AND LIQUID CRYSTAL DISPLAY DEVICE - A Liquid Crystal Display (LCD) panel includes a pixel array, a scanning line driver, a common electrode driver, and a data line driver. During a current frame, the scanning lines receive a scanning signal. The common electrode driver applies a common electrode signal to the common electrode line during a time window in which the scanning line corresponding to the common electrode line receives the scanning signal. The data line driver applies a data signal to the data lines during a time window in which the scanning line driver outputs the scanning signal. The data signals of adjacent pixel rows have opposite polarities, the common electrode signal during the current frame is opposite to the common electrode signal during a next frame, and the data signals of the pixel row in the current frame have opposite polarities of the data signals applied on the pixel row during the next frame. | 10-31-2013 |
20140035800 | SEGMENTED PARALLAX BARRIER BASED DISPLAY APPARATUS WITH 2D/3D MODE SWITCHING AND METHOD THEREOF - Disclosed are a segmented parallax barrier based display apparatus with 2D/3D mode switching and a method thereof. The parallax barrier based display apparatus may include a first panel reproducing an image; and a second panel positioned on a front surface of the first panel and including a first liquid crystal for forming a parallax barrier that blocks a part of the image reproduced by the first panel and a second liquid crystal for switching polarization of light that transmits the first liquid crystal. | 02-06-2014 |
20140176411 | POLARITY INVERSION DRIVING METHOD AND APPARATUS FOR LIQUID CRYSTAL DISPLAY PANEL, AND LIQUID CRYSTAL DISPLAY - A polarity inversion driving method and apparatus for a liquid crystal display panel, and a liquid crystal display, is provided in order to solve the technical problem in the prior art that the interference strips are concentrated in one line, without increasing the power consumption of the liquid crystal display panel. The method comprises the steps of: generating N polarity control signals of different timings, wherein N is an integer and N≧2, and each polarity control signal is used to control a polarity voltage for sub-pixels in one or more columns of a liquid crystal display panel; and outputting the N polarity control signals to polarity control lines in the liquid crystal display panel, wherein each polarity control line corresponds to one polarity control signal. | 06-26-2014 |
20140232627 | Driving Device For Driving Liquid Crystal Display Device - The present disclosure provides a driving device for driving a liquid crystal display (LCD) device. The driving device comprises a plurality of first charge sharing switches and a plurality of second charge sharing switches. Each of the plurality of first charge sharing switches is individually coupled between two adjacent odd data channels of a plurality of data channels. Each of the plurality of second charge sharing switches is individually coupled between two adjacent even data channels of the plurality of data channels. | 08-21-2014 |
20140292627 | METHOD OF DRIVING A DISPLAY PANEL AND A DISPLAY APPARATUS FOR PERFORMING THE METHOD - A method of driving a display panel includes providing at least one gate line among a plurality of gate lines disposed in the display panel with a gate signal of a gate-on level during a vertical blanking period of a frame period and providing a data line disposed in the display panel with data voltages of a first polarity and a second polarity opposite to the first polarity during the vertical blanking period. | 10-02-2014 |
20140306871 | DUAL GATE DRIVING LIQUID CRYSTAL DISPLAY DEVICE - A dual gate driving LCD device comprises a liquid crystal panel, a gate driving module, a source driving module, and an electric charge sharing unit. The liquid crystal panel comprises several pixels. The gate driving module comprises a plurality of scan lines connected to the pixels to control switching the pixels on or off. The source driving module comprises a plurality of data lines connected to a plurality of the pixels and charges the pixels by positive and negative polarity voltages and the adjacent data lines outputting voltages with different polarities at the same time. The electric charge sharing unit is connected to the source driving module and performs electric charge sharing of the voltage with different polarities between two adjacent data lines before charging the pixels to neutralize the electric charge for each of the pixels to make a charging time the same. | 10-16-2014 |
20150009112 | LIQUID CRYSTAL DISPLAY DEVICE - The present invention includes first pixels formed to have a first slit having an inclination angle with respect to a rubbing direction and second pixels formed to have a second slit having an inclination angle opposite to the first slit, and at least one of the first pixels having a positive polarity allocated thereto and at least one of the first pixels having a negative polarity allocated thereto exist in the same frame, and at least one of the second pixels having the positive polarity allocated thereto and at least one of the second pixels having the negative polarity allocated thereto exist in the same frame. | 01-08-2015 |
20150035740 | LIQUID CRYSTAL DISPLAY DEVICE, DRIVING DEVICE FOR LIQUID CRYSTAL DISPLAY PANEL, AND LIQUID CRYSTAL DISPLAY PANEL - Pixel electrodes in odd-numbered rows and even-numbered rows of a liquid crystal display panel are connected to source lines arranged on the left side of the pixel electrodes and source lines on the right side of the pixel electrodes, respectively. A DA converter switches between whether a potential higher than a common electrode potential is output from an odd-numbered output terminal and a potential lower than the common electrode potential is output from an even-numbered potential output terminal, and whether a potential lower than the common electrode potential is output from the odd-numbered potential output terminal and a potential higher than the common electrode potential is output from the even-numbered potential output terminal. A switch mechanism switches between whether a pixel electrode potential is set using the source line on the left side or is set using the source line on the right side. | 02-05-2015 |
20150042549 | LIQUID CRYSTAL DISPLAY AND GATE DRIVER THEREOF - A liquid crystal display and a gate driver thereof are disclosed. The gate driver comprises a first output unit, a second output unit, a first counter, a second counter and a multiplex unit. The first counter counts a clock to control the first output unit to output odd gate driving signals according to a first start signal and a polarity signal. The second counter counts the clock to control the second output unit to output even gate driving signals according to a second start signal and the polarity signal. The multiplex unit selectively outputs the polarity signal to the first counter or the second counter. | 02-12-2015 |
20150102989 | Equalizing Method and Driving Device Thereof - An equalizing method for a driving device includes determining whether a polarity of an output voltage changes from a first time period to a second time period according to an inversion method of a display device coupled to the driving device, for generating a polarity inversion signal; and determining whether to perform an equalization operation on the output voltage in a switching period between the first time period and the second time period according to the polarity inversion signal, current line information and previous line information. | 04-16-2015 |
20150116193 | Source Driver and Driving Method thereof - A source driver utilized for a display device and switching between two operational modes includes a reception module for receiving a plurality of display information and a plurality of transmission channels. Each transmission channel includes a register module for receiving one of the plurality of display information; a voltage level transformer for determining a voltage level of the one of display information; a polarization digital-to-analog converter for processing a digital-to-analog operation for the voltage level of the one display information; and an output module for outputting a plurality of voltage levels of the display information. The voltage levels of every two adjacent transmission channels include different polarization of voltage levels, and the output module processes an odd-number switching operation before outputting the plurality of voltage levels. | 04-30-2015 |
20160005367 | DISPLAY APPARATUS AND METHOD OF DRIVING THE DISPLAY APPARATUS - A display apparatus includes a first interpolator configured to generate first correction data for a first polarity corresponding to an input data using a first look up table which stores correction data for the first polarity compensating for a luminance difference between the first polarity and a second polarity opposite to the first polarity of a data voltage for the sub pixel, a first delay compensator configured to apply a correction value to the first correction data for the first polarity and generate second correction data for the first polarity, the correction value compensating for an RC delay based on a pixel position corresponding to the input data. | 01-07-2016 |
20160035294 | DISPLAY DEVICE - A display device includes a first substrate; a plurality of gate lines arranged in a row direction on the first substrate; a plurality of data lines arranged in a column direction intersecting the row direction; and a plurality of pixels formed in a plurality of pixel areas defined by the gate and data lines, the plurality of pixels comprising at least a first pixel and a second pixel repectively disposed in a first pixel area and a second pixel area that are immediately adjacent to each other. Each of the first and second pixels comprises a thin film transistor electrically connected to the gate and data lines, and a pixel electrode electrically connected to the thin film transistor. The data lines are disposed-apart by different distances from each other in the column direction. Each of the first and second pixel areas comprises a first edge portion adjacent to one of the gate lines and a second edge portion adjacent to another of the gate lines, a lengh of the first edge portion being greater than a lengh of the second edge portion. The thin film transistor is disposed at the first edge portion of the first and second pixel areas. | 02-04-2016 |
20160070147 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display (LCD) device according to an embodiment includes a liquid crystal panel in which a gate line, a dummy data line, and a data line are disposed, a timing controller configured to generate compensation data, a data driver configured to generate a compensation data voltage on the basis of the compensation data, provide the generated compensation data voltage to the dummy data line, and provide a data voltage for displaying an image to the data line, a common electrode configured to provide a common voltage to pixels of the liquid crystal panel, and a compensation capacitor positioned outside of a pixel array of the liquid crystal panel and charged upon receiving the compensation data voltage. | 03-10-2016 |
20160118002 | ELECTRO-OPTIC APPARATUS, CONTROL METHOD FOR ELECTRO-OPTIC APPARATUS, AND ELECTRONIC DEVICE - An electro-optic apparatus includes a control circuit that performs control such that, during a period when one of the scanning lines is selected, the selection circuit selects all of the k data lines during each of a first pre-charge period and a second pre-charge period that are provided in series prior to a period when the data voltages, which are time-division multiplexed in the video signal, are to be supplied to the k data lines and the selected k data lines are supplied with, during the first pre-charge period, a voltage having a predetermined polarity and, during the second pre-charge period, a voltage having the same polarity as identical polarities of the data voltages to be supplied during the period subsequent to the second pre-charge period. | 04-28-2016 |
20160171944 | DISPLAY DEVICE | 06-16-2016 |
20180025691 | DISPLAY CONTROL DEVICE AND DISPLAY PANEL MODULE | 01-25-2018 |