Patent application number | Description | Published |
20150200210 | LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF - A liquid crystal display includes: a first substrate, a gate line and a data line disposed on the first substrate, a thin film transistor connected to the gate line and the data line, a first passivation layer disposed on the thin film transistor, a first electrode disposed on the first passivation layer, a second passivation layer disposed on the first electrode and a second electrode disposed on the second passivation layer. A first edge of the first electrode and a second edge of the second passivation layer have substantially the same plane shape as each other, and the second edge of the second passivation layer protrudes more than the first edge of the first electrode. | 07-16-2015 |
20150235585 | DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A display device includes a first signal electrode configured to transfer a signal, a first insulating layer positioned on the first signal electrode, a first electrode positioned on the first insulating layer, a second insulating layer positioned on the first electrode, and a second electrode positioned on the second insulating layer, where a first contact hole exposing the first signal electrode is defined in the first insulating layer and the second insulating layer, the second electrode is connected with the first signal electrode through the first contact hole, and an opening including an edge side surrounding the first contact hole in a plan view is defined in the first electrode. | 08-20-2015 |
20150293387 | LIQUID CRYSTAL DISPLAY AND A METHOD OF MEASURING A CAPACITANCE OF A LIQUID CRYSTAL DISPLAY - A liquid crystal display including: a display area which includes an upper substrate, a lower substrate, pixels and a liquid crystal layer interposed between the upper and lower substrates; and a measuring unit including a tag portion, a common voltage applying portion, and a pixel voltage applying portion, in which the common voltage applying portion and the tag portion, and the pixel voltage applying portion and the tag portion are connected to each other, a data conductor, a common electrode, a passivation layer, and a pixel electrode are disposed on the common voltage applying portion with substantially the same thickness as at least one of the pixels of the display area, a first part of the data conductor of the common voltage applying portion directly contacts the pixel electrode, and a second part of the data conductor of the common voltage applying portion directly contacts the common electrode. | 10-15-2015 |
Patent application number | Description | Published |
20090135566 | PRINTED CIRCUIT BOARD ASSEMBLY AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A printed circuit board assembly and a liquid crystal display (“LCD”) having the same, and more particularly, to a printed circuit board assembly, wherein a board mounted with a heat dissipation plate and a time controller using a spring clip or a hook spring can prevent the board from sagging. An exemplary embodiment includes a heat dissipation plate, a protection plate and a thermal interface material to dissipate heat from a time controller, thereby efficiently dissipating heat from the time controller. Another exemplary embodiment includes a spring clip or a hook spring to increase contact forces among a protection plate, a heat dissipation plate and a board, thereby further improving heat dissipation performance. Exemplary embodiments of the present invention make it possible to provide a printed circuit board assembly, wherein a spring clip supports the bottom of a region of a board in which a time controller is mounted, thereby preventing sagging of the region of the board in which the time controller and a heat dissipation plate are mounted. An LCD having the printed circuit board assembly is also described. | 05-28-2009 |
20090190060 | LAMP SOCKET, LIQUID CRYSTAL DISPLAY, AND METHOD OF MANUFACTURING THE SAME - A lamp socket, a liquid crystal display, and a method of manufacturing the same,, which facilitate assembly and testing of a lamp. The lamp socket includes a housing including connection terminals electrically connected to lamp terminals, a cover hinge-engaged with the housing, a fixing part fixing the housing and the cover to each other, and an angle maintenance part maintaining an angle of the cover in an open position, wherein the angle is an acute angle. | 07-30-2009 |
20090273726 | BACKLIGHT ASSEMBLY, LIQUID CRYSTAL DISPLAY HAVING THE SAME AND METHOD OF MANUFACTURING THE LIQUID CRYSTAL DISPLAY - A backlight assembly includes a lamp which generates light, a lamp socket which receives the lamp, an alignment plate including a socket insertion hole formed therethrough to receive the lamp socket, and a receiving container including a cutout portion formed therethrough to receive the lamp socket. The receiving container is attached to the alignment plate which has the lamp socket inserted through the socket insertion hole, and a portion of the lamp socket is exposed outside the receiving container through the socket insertion hole when the receiving container is attached to the alignment plate. | 11-05-2009 |
20110242795 | LAMP SOCKET, BACKLIGHT ASSEMBLY HAVING THE SAME AND DISPLAY DEVICE HAVING THE SAME - A lamp socket including a socket terminal, a backlight assembly having the lamp socket and a display device having the backlight assembly are provided. The socket terminal includes a base part, an extending part, a stopper part, an electrode insertion part and a wire connection member, The extending part is extended from the base part, is angled with respect to the base part, and includes a space to receive an electrode of a lamp. The stopper part extends from the extending part and isolates the space at an end of the extending part. The electrode insertion part is extended from the stopper part, wherein application of pressure on the electrode insertion part separates sides of the stopper part to provide access to the space. The wire connection member is extended from the base part. | 10-06-2011 |
Patent application number | Description | Published |
20100020262 | PRISM SHEET AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - Disclosed is a dual layer prism sheet including two patterned prism sheets adhered to each other with an adhesive layer interposed therebetween. The adhesive layer includes a polymeric adhesive and a lubricant. A liquid crystal display including the dual layer prism sheet is also disclosed. Each pattern on the prism sheet is arranged to make a predetermined angle with a liquid crystal panel. | 01-28-2010 |
20110249223 | METHOD OF MANUFACTURING POLARIZING PLATE, POLARIZING PLATE MANUFACTURED BY THE SAME, AND LIQUID CRYSTAL DISPLAY HAVING THE POLARIZING PLATE - A method of manufacturing a polarizing plate includes fabricating a base film, dyeing the base film by using iodine, stretching the base film to form a polarizing film, firstly drying the polarizing film at a first temperature, and secondly drying the polarizing film while sequentially increasing a temperature from the first temperature to a second temperature higher than the first temperature. The polarizing plate and a liquid crystal display including the same are manufactured through the above method. | 10-13-2011 |
20120062822 | POLARIZING PLATE WITH A PHASE COMPENSATION FILM AND LIQUID CRYSTAL DISPLAY HAVING SAME - A liquid crystal display includes a first substrate having a first alignment layer, a second substrate having a second alignment layer, a liquid crystal layer having liquid crystal molecules operating in a twisted nematic (TN) mode, a first polarizing film, a second polarizing film, and a phase difference compensation film. The phase difference compensation film has a delay axis to compensate for an undesired phase difference imposed by the NT operating liquid crystal layer on light, traveling through the liquid crystal layer when an ideally fully untwisting electric field is applied to the liquid crystal layer, and the delay axis forms an acute angle with a rubbing direction of the second alignment layer. | 03-15-2012 |
20120242917 | SHUTTER PANEL AND DISPLAY DEVICE INCLUDING THE SAME - Provided is a shutter panel including a first substrate on which a plurality of electric field forming electrodes are parallel to each other, a second substrate opposed to the first substrate, and a liquid crystal layer disposed on the first and second substrates. Each of the electric field forming electrodes has both side surfaces facing the adjacent electric field forming electrodes, and both side surfaces are provided with protrusion parts protruding toward the adjacent electric field forming electrodes. | 09-27-2012 |
20120249939 | LIQUID CRYSTAL DISPLAY DEVICE WITH RETARDATION COMPENSATION - A liquid crystal device includes a twisted nematic liquid crystal panel and first and second retardation films disposed on the top and bottom sides of the twisted nematic liquid crystal panel. A retardation compensation range angle between an axis of the first retardation film and an axis of the second retardation film is smaller than a twist range angle between a first twist axis representing the average of twist angles of lower liquid crystals and a second twist axis representing the average of twist angles of upper liquid crystals in a plan view of the liquid crystal display device. | 10-04-2012 |
20130010359 | POLARIZATION SYSTEM AND THREE DIMENSIONAL IMAGE DISPLAY APPARATUS HAVING THE SAME - A polarization system including a first polarization film, a second polarization film, and a first retardation film disposed between the first and second polarization films. The first polarization film is disposed between a user and a light irradiator and the second polarization film is disposed between the first polarization film and the light irradiator. In addition, the first retardation film retards a phase of the light passing through the first polarization film. Thus, the polarization system allows the user to watch a 3D image without being related to the user's posture. A second retardation film may also be disposed between the first polarization film and the first retardation film. | 01-10-2013 |
20130021562 | LIQUID CRYSTAL DISPLAY - A liquid crystal display including a twisted nematic liquid crystal panel and first and second substrates with the twisted nematic liquid crystal panel arranged therebetween. A first biaxial retardation compensation film faces the first substrate and a second biaxial retardation compensation film faces the first biaxial retardation compensation film with the twisted nematic liquid crystal panel arranged therebetween. | 01-24-2013 |
20130050597 | THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS - A three-dimensional image display apparatus includes a display panel configured to display an image and a shutter panel configured to separate the image into a left-eye image and a right-eye image. The shutter panel includes a first thin-film substrate disposed adjacent to the display panel, a second thin-film substrate facing the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate is disposed between the second substrate and the display panel. | 02-28-2013 |
20130141654 | POLARIZATION SYSTEM AND THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS HAVING THE SAME - A 3D image display apparatus featuring a new polarization system is introduced which minimizes crosstalk between stereoimages. The polarization system includes a shutter panel that shifts the phase of an incident light, a polarizing film disposed between the shutter panel and an observer, a first retardation film disposed between the shutter panel and the polarizing film, a second retardation film disposed between the polarizing film and the first retardation film to correspond to the left eye of the observer, and a third retardation film disposed between the polarizing film and the first retardation film to correspond to the right eye of the observer. | 06-06-2013 |
Patent application number | Description | Published |
20090125750 | USING MEMORIES TO CHANGE DATA PHASE OR FREQUENCY - A data processing apparatus includes a first memory which comprises a first input/output port and a second input/output port; a second memory which is connected to the first memory and comprises a third input/output port; and a controller for controlling the first and second memories to perform operations of: (a) writing data to the first memory through the first input/output port; (b) reading the data from the first memory through the second input/output port; (c) writing the data read out of the first memory to the second memory through the third input/output port; and (d) reading the data from the second memory through the third input/output port; wherein the operation (a) is performed at a first frequency and the operations (b), (c), (d) are each performed at a second frequency, wherein either: (i) the first frequency is different from the second frequency, or (ii) the first frequency is equal to the second frequency but in each of the operations (b), (c) and (d) the data is different in phase than in the operation (a). | 05-14-2009 |
20090128479 | Display Device and Method of Controlling the Same - A display device includes a driving signal generator being supplied with a synchronous signal and a clock signal and generating an inverter driving signal having a given frequency that is multiplied by a predetermined ratio from a frequency of the synchronous signal, an inverter outputting a driving signal based on the inverter driving signal, and a backlight unit controlling turned-on or turned-off based on the driving signal from the inverter. The driving signal generator operates the number of clocks of the clock signal included in a predetermined period of the synchronous signal by using a predetermined value, defines a magnitude of each section of the inverter driving signal with respect to the predetermined period of the synchronous signal, and adjusts the section magnitude of the inverter driving signal when the number of clocks differs from the total section magnitude of the inverter driving signal based on the magnitude of each section. | 05-21-2009 |
20090174650 | DISPLAY DEVICE AND CONTROL METHOD THEREOF - A display device including a display panel, a sensing electrode that is disposed in a matrix pattern and outputs a sensing signal with respect to an external stimulus, a calculator that divides the display panel into a plurality of detection regions based on a coordinate of a first stimuli group outputting a sensing signal with respect to a first stimulus, and a position determiner is presented. The position determiner determines a coordinate of a second stimuli group outputting a sensing signal with respect to a second stimulus and designates the coordinate as a stimulus position if the second stimulus is generated from a selection detection region within predetermined detection time after the first stimulus. | 07-09-2009 |
20090309903 | SIGNAL PROCESSING DEVICE FOR LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A liquid crystal display system including a signal processing device uses interpolation to generate an intermediate image frame using previous image frame data and present image frame data. The system converts data of the intermediate image frame into transposed image data that is to be used to drive a liquid crystal display panel and display a corresponding image. The transposed image data and the present image data are subjected to a prespecified DCC process (dynamic capacitance compensation process) to thereby generate respective first and second compensation image data. Since the first compensation image data is generated based on the transposed image data and the transposition is configured to prevent over-compensation by the DCC process, over-compensation by the dynamic capacitance compensation process can be reduced or prevented. | 12-17-2009 |
20110057959 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A display apparatus includes a temperature sensor, a timing controller, a data driver and a display panel. The temperature sensor senses a temperature, the timing controller includes a dynamic capacitance capture (“DCC”) block, which converts a green data, a red data and a blue data into a green compensation data, a red compensation data and a blue compensation data, respectively, based on the temperature sensed by the temperature sensor, and the data driver converts the red compensation data, the green compensation data and the blue compensation data into a data voltage and outputs the data voltage. The display panel receives the data voltage and displays an image. | 03-10-2011 |
20110058024 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - In a display apparatus, a display panel displays an image, and a frame rate converter separates an image signal to a first image frame for a left-eye and a second image frame for a right-eye and generates first and second intermediate image frames respectively following the first and second image frames. A timing controller converts the first and second image frames to first and second compensation frames, respectively, and sequentially provides the first compensation frame, the first intermediate image frame, the second compensation frame, and the second intermediate image frame to a data driver. The data driver converts the first and second compensation frames to a left-eye data voltage and a right-eye data voltage, respectively, and converts the first and second intermediate image frames to a predetermined black data voltage. | 03-10-2011 |
20120127191 | Method for Compensating Data and Display Apparatus for Performing the Method - A method of compensating data uses a look-up table divided into a first area, a second area and a boundary area between the first and second areas defined by a first previous reference value, a second previous reference value greater than the first previous reference value, a first current reference value and a second current reference value less than the first current reference value. A compensation data of a current frame is generated based on to which one of the first, second and boundary areas grayscale data of previous and current frames belongs. | 05-24-2012 |
20120162158 | DISPLAY APPARATUS SET - A display apparatus set includes a signal receiver/transmitter, a scaler, a driving circuit, and a first display panel. The signal receiver/transmitter receives an image signal from an external device, outputs a portion of the image signal as a first image signal, and outputs a remaining portion of the image signal as a second image signal. The scaler receives the first image signal and converts a size and a resolution of an image included in the first image signal to output the converted first image signal. The driving circuit receives the converted first image signal and converts the converted first image signal to output a data signal. The first display panel receives the data signal to display an image. The second image signal is similarly treated and displayed on a second display panel. | 06-28-2012 |
20120249405 | SIGNAL PROCESSING DEVICE FOR LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY INCLUDING THE SIGNAL PROCESSING DEVICE - A liquid crystal display system including a signal processing device uses interpolation to generate an intermediate image frame using previous image frame data and present image frame data. The system converts data of the intermediate image frame into transposed image data that is to be used to drive a liquid crystal display panel and display a corresponding image. The transposed image data and the present image data are subjected to a prespecified DCC process (dynamic capacitance compensation process) to thereby generate respective first and second compensation image data. Since the first compensation image data is generated based on the transposed image data and the transposition is configured to prevent over-compensation by the DCC process, over-compensation by the dynamic capacitance compensation process can be reduced or prevented. | 10-04-2012 |
20130033464 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of driving a display panel including converting a frame rate of input image data to generate first image data, writing the first image data to a memory, outputting a flag signal to a timing controller, reading the first image data from the memory according to the flag signal, compensating the first image data to generate second image data, and converting the second image data into an analog data voltage and outputting the data voltage to the display panel. | 02-07-2013 |
20130155129 | SIGNAL PROCESSING DEVICE FOR LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY INCLUDING THE SIGNAL PROCESSING DEVICE - A liquid crystal display system including a signal processing device uses interpolation to generate an intermediate image frame using previous image frame data and present image frame data. The system converts data of the intermediate image frame into transposed image data that is to be used to drive a liquid crystal display panel and display a corresponding image. The transposed image data and the present image data are subjected to a prespecified DCC process (dynamic capacitance compensation process) to thereby generate respective first and second compensation image data. Since the first compensation image data is generated based on the transposed image data and the transposition is configured to prevent over-compensation by the DCC process, over-compensation by the dynamic capacitance compensation process can be reduced or prevented. | 06-20-2013 |
20130321483 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a memory which stores gamma data for gamma curves including a first gamma curve and a second gamma curve; a gray voltage generator which generates gray voltages based on the gamma data; a data driver which receives an input image signal from a signal controller and converts the input image signal into a data voltage using the gray voltages; and a display panel including pixels which receives the data voltage and may display an image, where the pixel displays images corresponding to the input image signal during one frame set, one frame set includes consecutive frames, the images displayed by a pixel includes first and second images displayed based on the first and second gamma curves, respectively, a luminance of the first image is not less than a luminance of the second image, and the second image is displayed in two consecutive frames. | 12-05-2013 |
20140035961 | DISPLAY DEVICE, SIGNAL CONVERTER FOR THE DISPLAY DEVICE, AND METHOD OF OPERATING THE DISPLAY DEVICE - A display device includes a display panel including pixels for displaying four colors including a white color. The display device further includes a signal converter for generating four output signals pertaining to the four colors using three input signals pertaining to three non-white colors of the four colors. The display device further includes a signal processor for processing the output signals to generate data signals and to provide the data signals to the display panel for the pixels to display an image. The signal converter includes at least one adder and a plurality of bit shifters for calculating a white-signal candidate using signals related to the input signals. The signal converter may determine a white-related output signal of the output signals using the white-signal candidate. | 02-06-2014 |
20140104324 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A display apparatus includes a temperature sensor, a timing controller, a data driver and a display panel. The temperature sensor senses a temperature, the timing controller includes a dynamic capacitance capture (“DCC”) block, which converts a green data, a red data and a blue data into a green compensation data, a red compensation data and a blue compensation data, respectively, based on the temperature sensed by the temperature sensor, and the data driver converts the red compensation data, the green compensation data and the blue compensation data into a data voltage and outputs the data voltage. The display panel receives the data voltage and displays an image. | 04-17-2014 |
20140184670 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device and a method of driving a display device including: storing information on a stitch pattern; setting a data processing region disposed in a vicinity of a horizontal center line of a display panel and including a plurality of pixels; and performing data processing of changing gray of data for a portion of the plurality of pixels of the data processing region according to the information on the stitch pattern. The display panel includes a plurality of pixels arranged in a form of a matrix, a plurality of first data lines disposed in a first display panel region on a first side of the horizontal center line, and a plurality of second data lines disposed in a second display panel region on a second side of the horizontal center line opposite the first side. | 07-03-2014 |
20140204065 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a display panel, a first timing controller, and a second timing controller. The display panel includes a first block and a second block adjacent to the first block, with a data line positioned between the first block and the second block. The first block includes a first column of pixels, and the second block includes a second column of pixels. The first and second columns of pixels are alternately connected to the data line. The first timing controller is configured to receive first image data corresponding to the first block. A second timing controller is configured to receive second image data corresponding to the second block. The first timing controller is configured to transfer at least part of the first mage data to the second timing controller. | 07-24-2014 |
20140204104 | DISPLAY APPATATUS AND METHOD OF DRIVING THE SAME - A display apparatus includes pixels connected to gate lines and data lines, a gate driver configure to drive the gate lines, a data driver including a plurality of data driving parts configured to drive the data lines. The control board includes a processor that outputs an image signal and a control signal and a timing controller that outputs a first control signal to control the gate driver and a second control signal and a data signal to control the data driver in response to the image signal and the control signal. | 07-24-2014 |
20140232756 | DISPLAY DEVICE AND PROCESSING METHOD OF IMAGE SIGNAL THEREOF - A image signal processing method of a liquid crystal display according to an exemplary embodiment of the present invention includes: receiving a previous image signal and a current image signal as two sequential input image signals; performing a first correction (DCC) and a doubling for the current image signal to generate a correction image signal comprising a plurality of doubled frames for the current image signal; and post-processing the portion of the plurality of doubled frames to generate a final correction image signal. | 08-21-2014 |
20140247289 | DISPLAY DEVICE AND PROCESSING METHOD OF IMAGE SIGNAL - An image processing method includes: receiving an input image signal (IIS); doubling the IIS into frames; determining a TGM mode to control an order in which gamma curves (GC) are to be applied to the doubled IIS, the GCs including first and second GCs; applying the GCs to the doubled IIS based on the TGM mode to generate a doubled, TGM-processed image signal (DTIS); correcting the DTIS to generate a corrected image signal (CIS); and dither-processing the CIS to generate an output image signal. The dither-processing of the CIS includes: performing dither-processing by sequentially applying dithering patterns (DP) of a first DP set to the CIS in association with first ones of the frames with respect to the first GC, and performing the dither-processing by sequentially applying DPs of a second DP set to the CIS in association with second ones of the frames with respect to the second GC. | 09-04-2014 |
20140333516 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device and a driving method thereof are disclosed. In one aspect, the display device includes: a memory which receives an input image data at a first frame frequency and a frame rate controlling unit which converts the input image data to an output image data output at a second frame frequency higher than the first frame frequency by duplicating the input image data to a plurality of frames. The display device also includes a release frame inserting unit which periodically designates release frames in the output image data for resolving a DC bias of one or more continuous frames and a data compensating unit which compensates for a value of the output image data or determines the value of the output image data. | 11-13-2014 |
Patent application number | Description | Published |
20100283714 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (“LCD”) includes; a gate line, a plurality of pairs of a first data line and a second data line which border a plurality of pixel regions and are disposed respectively on both sides of each pixel region, a plurality of pairs of first and second thin-film transistors (“TFTs”) which are connected to the gate line and a pair of the first and second data lines, and a first and second subpixel electrode disposed in each pixel region and connected to the first and second TFTs, respectively, wherein the pixel regions include first through third pixel regions arranged in the first direction, wherein at least one of the first and second TFTs of the second pixel region is disposed on a same side of an adjacent data line as the first and second subpixel electrodes of one of the first and third pixel regions. | 11-11-2010 |
20110216098 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - The present invention relates to a display device and a driving method thereof. A display device according to exemplary embodiments of the present invention includes: a signal controller to process an input image signal and an input control signal to control output of a digital image signal; a gray voltage generator to generate a gray reference voltage; and a data driver to generate gray voltages based on the gray reference voltage from the gray voltage generator, to receive the digital image signal, and to output a portion selected from the generated gray voltages as a data voltage, wherein the gray reference voltage includes a first gray reference voltage for the input image signal and a second gray reference voltage for an insertion gray, and the gray voltage generator generates one of the first gray reference voltage or the second gray reference voltage according to the selection signal included in the control signal to be provided to the data driver. | 09-08-2011 |
20120218317 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of driving a display panel includes generating compensated grayscale data by increasing grayscale data corresponding to an N-th gate line of a plurality of gate lines of the display panel, where N is a natural number, generating a data voltage based on the compensated grayscale data, outputting the data voltage to the display panel including a plurality of pixel electrodes and a plurality of data lines, where each of the plurality of data lines is alternately connected to the plurality of pixel electrodes in a first pixel column and the plurality of pixel electrodes in a second pixel column, generating a storage voltage having a first level and a second level, where the second level is lower than the first level, and applying the storage voltage to the display panel. | 08-30-2012 |
20120249620 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A display apparatus includes a display panel, a timing controller, data and gate driving parts. The display panel includes first and second substrates, and a liquid crystal layer disposed between the first and second substrates, and displays an image. The timing controller includes a data compensating unit that outputs compensated grayscale data in an n-th pixel row, based upon a coupling capacitance generated according to a grayscale data variation between an (n−1)-th pixel row and the n-th pixel row, n′ being a natural number. The data driving part converts the compensated grayscale data to an analog data voltage, and outputs the analog data voltage to data lines. | 10-04-2012 |
20130038621 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed. | 02-14-2013 |
20130057565 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - In order to reduce power consumption of a display device when a still picture is to be displayed, a display area of the device is subdivided into a plurality of Still Picture Refresh Groups (SPRGoP's), with each SPRGoP consisting of n pixels. All n of the pixels are charged in every one of sequential frames when a motion picture mode is in effect. Less than all of the n pixels of each SPRGoP are refreshed in each frame of an N-frame refresh cycle when a still picture mode is in effect. Different schemes for cycling through the n pixels of each SPRGoP are disclosed. | 03-07-2013 |
20130106876 | DISPLAY DEVICE AND DRIVING METHOD THEREOF | 05-02-2013 |
20130113811 | DISPLAY DEVICE AND METHOD FOR DRIVING THE DISPLAY DEVICE - A display device includes a display panel for displaying a still image and for displaying a motion picture. The display panel includes a gate line, a data line, a storage electrode line, a first switching element connected to the gate line and the date line, a storage connected to the switching element and the storage electrode line. The display device further includes a signal controller for providing controlling signals to drive the display panel. The display panel is driven at a first frequency when the motion picture is displayed. The display panel is driven at a second frequency lower than the first frequency when the still image is displayed. When the display panel is driven at the second frequency, a common voltage inputted to the storage electrode line changes. | 05-09-2013 |
20130135330 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a display panel having gate lines and data lines, a signal controller driving the display panel, a graphic processing unit transmitting input image data to the signal controller, a gate driver driving the gate lines, and a data driver driving the data lines. The display panel is driven at a first frequency when displaying a moving image and driven at a lower frequency when displaying a still image. The signal controller includes a frame memory storing the input image data, a calculator calculating a representative value of image data stored in the frame memory, a line memory storing the representative value, and a kick-back corrector generating auxiliary image data by correcting the representative value according to a kick-back voltage. The data driver applies an auxiliary voltage corresponding to the auxiliary image data to the data lines in a vertical blank period when displaying the still image. | 05-30-2013 |
20130194168 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (“LCD”) includes; a gate line, a plurality of pairs of a first data line and a second data line which border a plurality of pixel regions and are disposed respectively on both sides of each pixel region, a plurality of pairs of first and second thin-film transistors (“TFTs”) which are connected to the gate line and a pair of the first and second data lines, and a first and second subpixel electrode disposed in each pixel region and connected to the first and second TFTs, respectively, wherein the pixel regions include first through third pixel regions arranged in the first direction, wherein at least one of the first and second TFTs of the second pixel region is disposed on a same side of an adjacent data line as the first and second subpixel electrodes of one of the first and third pixel regions. | 08-01-2013 |
20130215094 | DISPLAY DEVICE AND RELATED METHOD - A display device includes a display panel that includes a first pixel and a second pixel, the first pixel being associated with a positive pixel voltage relative to a data voltage and being associated with a first leakage current, the second pixel being associated with a negative pixel voltage relative to the data voltage and being associated with a second leakage current. The display device further includes a gate driver for providing a first gate-off voltage having a first value to at least one of the first pixel and the second pixel, the first value being in a range determined based on an equality-enabling value, wherein a value of the first leakage current is equal to a value of the second leakage current if the first gate-off voltage having the equality-enabling value is provided to the at least one of the first pixel and the second pixel. | 08-22-2013 |
20140015820 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A method to drive a display device includes: transmitting at least one data voltage to one or more of a plurality of data lines, scanning one or more of a plurality of gate lines to enable transmission of a gate signal in association with a first frame of a first hold section of a first still image section associated with display of a still image, and scanning one or more of the plurality of gate lines to enable transmission of the gate signal every frame of a first refresh section. The first still image section comprises the first refresh section. | 01-16-2014 |
20140092145 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A driving method of a display device is provided. The display device comprises a display panel having a plurality of pixels, a signal controller for controlling operation of the display panel, and a memory connected to the signal controller. The driving method comprises receiving an input image signal for a motion picture or a stationary image, and if the input image signal for the stationary image is received, determining whether the stationary image includes at least one weak pattern, setting a first frequency as a driving frequency to display the stationary image if the stationary image does not include a weak pattern, and setting a second frequency that is higher than the first frequency as the driving frequency if the stationary image includes the at least one weak pattern. | 04-03-2014 |
20140307003 | DISPLAY DEVICE - A display device includes: a display panel configured to display an image; and a signal controller configured to control signals to drive the display panel. The signal controller includes: an image data converter configured to convert image data of “m” bits into image data of “n” bits; a gray voltage generator configured to generate a gray voltage corresponding to the image data of “n” bits; a control signal generator configured to generate a gate control signal; and a luminance change controller configured to control a luminance change period of an image displayed via the display panel to be greater than or equal to one second. | 10-16-2014 |
20150371609 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed. | 12-24-2015 |