Patent application number | Description | Published |
20080219161 | Method for generating burst in a communication system - A method for generating a burst in a communication system. The method includes estimating a first allocable PDU according to scheduling priority; generating a first burst in which the first PDU is to be included; and determining whether a total size of bursts to be allocated to a downlink subframe including the generated first burst is less than a maximum size of bursts allocable to the downlink subframe. | 09-11-2008 |
20090109910 | SYSTEM AND METHOD FOR ASSIGNING A SUB-CHANNEL IN A BWA COMMUNICATION SYSTEM - A method for requesting a Base Station (BS) to assign sub-charuiels to a Subscriber Station (SS) in a communication system, The mnethod includes determining a channel quality of sub-channels assigned using a normal sub-chatnnel assigunent scheme, transmitting, to the BS, a first codeword of a Channel Quality Indicator CHannel (CQICH) indicating a transition from the normal sub-channel assignment scheme to a band Adaptive Modulation and Coding (AMC) sub-cha:nnel assignment scheme, during a sub-channel assignment scheme transition based on the determined channel quality, transmitting a second codeword of the CQICH and a report response message in response to a report request message received from the BS, and transmitting, to the BS, dilterential Channel Quality Indicators (CQI) of the selected bands. | 04-30-2009 |
20090262705 | SYSTEM FOR HANDOVER IN BWA COMMUNICATION SYSTEM AND METHOD THEREOF - A handover method and system in a communication system. In the method, a serving Base Station (BS) broadcasts neighbor BS information including BS identifiers and preamble indices of a plurality of neighbor BSs, receives a handover request message from a Mobile Station (MS), the handover request message including a first set of at least one BS identifier and at least one preamble index for at least one neighbor BS among the plurality of neighbor BSs, and transmits a handover response message to the MS, the handover response message including a second set of at least one BS identifier and at least one preamble index for at least one recommended neighbor BS. | 10-22-2009 |
20090322661 | DISPLAY APPARATUS - A display apparatus includes a plurality of frame rate controllers that generate a motion interpolated intermediate image. The frame rate controllers exchange image information with adjacent frame rate controllers. According to the display apparatus, each frame rate controller displays the intermediate image on a corresponding display area based on the image information provided from the adjacent frame rate controller. | 12-31-2009 |
20100001940 | DISPLAY APPARATUS - A display apparatus includes a plurality of pixels. Each pixel includes a main pixel, a sub-pixel, and a boosting capacitor. The main pixel receives a data signal in response to a first gate signal and is charged with a main pixel voltage. The sub-pixel receives the data signal in response to a second gate signal, and is charged with a sub-pixel voltage. The boosting capacitor is provided between the main pixel and the sub-pixel to increase the main pixel voltage when the sub-pixel is charged with the sub-pixel voltage in response to the second gate signal. | 01-07-2010 |
20100032677 | DISPLAY DEVICE - A display device includes gate lines; data lines; charge control lines each including a charge control voltage input pad; first and second thin film transistors (TFTs) each including control and input electrodes connected to the gate and data lines, respectively; a first liquid crystal capacitor connected to an output electrode of the first TFT; a second liquid crystal capacitor connected to an output electrode of the second TFT; a charge control TFT including a control electrode and an input electrode connected to one of the charge control lines and the second pixel electrode, respectively; and a charge-down capacitor connected to an output electrode of the charge control TFT. A duration time of a turn-on voltage pulse applied to the charge control TFT is different from a duration time of a turn-on voltage pulse applied to the first TFT transistor or the second TFT. | 02-11-2010 |
20100033470 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a first unit pixel disposed in a first pixel column and a first pixel row, and a second unit pixel disposed in the first pixel column and a second pixel row adjacent to the first pixel row, and first and second gate lines extending in a row direction and having gate voltage input pads at a terminal portion thereof. First and second data lines extend in a column direction and are connected to the first unit pixel and the second unit pixel, respectively. A first charge control line extends in the row direction and has a charge control gate voltage input pad disposed at a terminal portion thereof. The first gate line is connected to the first unit pixel and the second gate line is connected to the second unit pixel. The first gate line and the second gate line simultaneously receive a same gate pulse. | 02-11-2010 |
20100110593 | POWER FACTOR CORRECTION CIRCUIT AND DRIVING METHOD THEREOF - The present invention relates to a set protection circuit for when a diode short-circuit defect occurs in a power factor correction circuit of a critical conduction mode. In a conventional power factor correction circuit, an excessive amount of current flows to a switch if a diode is short-circuited so that the switch is damaged. In order to prevent damage to the switch, the present invention provides a method for stopping turn-on of the switch when a switch current is excessive. | 05-06-2010 |
20100123739 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device and a driving method thereof are provided. The display device includes an image signal processor that is supplied with original image signals for various frames and generates interpolation signals used to display images corresponding to interpolation frames, and a display panel that displays images corresponding to the respective various frames and images corresponding to the respective interpolation frames, wherein the images displayed in the respective frames are images corresponding to a first gamma curve corrected based on an original gamma curve, the images displayed in the respective interpolation frames are images corresponding to a second gamma curve corrected based on the original gamma curve, and the first gamma curve is different from the second gamma curve. | 05-20-2010 |
20100172326 | SYSTEM AND METHOD FOR OPTIMIZING HANDOVER IN MOBILE COMMUNICATION SYSTEM - Disclosed are a system and a method for optimizing a handover process in a mobile broadband wireless access system. The method performs handover in a mobile communication system including a mobile subscriber station, a serving base station currently providing service to the mobile subscriber station, and at least one neighbor base stations adjacent to the serving base station. The method includes the steps of receiving a handover request from the mobile subscriber station by the serving base station; instructing the mobile subscriber station to perform handover by the serving base station in response to the handover request from the mobile subscriber station and performing by the mobile subscriber station a network reentry process for fast handover in accordance with information included in a handover instruction from the serving base station. | 07-08-2010 |
20100253678 | METHOD FOR DISPLAYING A THREE-DIMENSIONAL IMAGE AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method for displaying a three-dimensional (“3D”) image includes; dividing the 3D image input from an external device into a first image frame corresponding to a first eye of a viewer and a second image frame corresponding to a second eye of the viewer, and generating a first compensation frame and a second compensation frame subsequent to the first image frame and the second image frame, respectively, and displaying the first compensation frame and the second compensation frame on a display panel. | 10-07-2010 |
20100289974 | 3-DIMENSIONAL IMAGE DISPLAY DEVICE - A stereoscopic image display device includes; a display device includes a plurality of pixels, and which displays a first image transmitted to a left eye and displays a second image transmitted to a right eye, wherein the display device displays the first image and the second image by inserting a third image representing a predetermined luminance between the first image transmitted to the left eye and the second image transmitted to the right eye. | 11-18-2010 |
20110001433 | LED LIGHT EMITTING DEVICE AND METHOD OF DRIVING THE SAME - An LED light emitting device and a method of driving the same are provided, and technology that can uniformly sustain the magnitude of a channel current flowing to a plurality of LED channels is disclosed. The LED light emitting device includes: a plurality of LED channels that are formed with a plurality of LED elements that are continuously connected in series; and a constant current source that controls each channel current flowing to the plurality of LED channels according to a predetermined channel reference current to be a predetermined setting channel current, wherein the constant current source includes a plurality of operating amplifiers that control the magnitude of each of the channel currents, and a feedback voltage generating according to a predetermined offset reference current is input to a second input terminal of an operating amplifier for an offset setting period that sets an offset voltage of the plurality of operating amplifiers, a reference voltage generating according to a channel reference current is input to a first input terminal of the operating amplifier, and an offset voltage of each of the plurality of operating amplifiers is set so that an actual channel current may be identical to a predetermined setting channel current. | 01-06-2011 |
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 |
20110157161 | METHOD OF DISPLAYING STEREO-SCOPIC IMAGE AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of displaying a stereoscopic image comprises; dividing an input image into a left-eye image and a right-eye image, estimating a crosstalk in accordance with a position of a display panel using a grayscale difference between the left-eye image and the right-eye image, displaying the left-eye image and the right-eye image and adjusting opening periods and closing periods of a pair of shutter glasses so that a shutter of the pair of shutter glasses is open and closed respectively during the opening period and the closing period based on the estimated crosstalk. | 06-30-2011 |
20110175865 | DISPLAY APPARATUS - A display apparatus includes a plurality of frame rate controllers that generate a motion interpolated intermediate image. The frame rate controllers exchange image information with adjacent frame rate controllers. According to the display apparatus, each frame rate controller displays the intermediate image on a corresponding display area based on the image information provided from the adjacent frame rate controller. | 07-21-2011 |
20110279466 | METHOD OF COMPENSATING IMAGE DATA AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of compensating image data, the method includes generating a compensation data of an image data in accordance with a temperature value by using a compensation data of a previous frame and a compensation data generated through a look-up table which is mapped with corresponding to a compensation data of a previous frame and a set temperature value which is smaller than and closest to the temperature value or which is greater than and closest to the temperature value among set temperature values. | 11-17-2011 |
20120120067 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - In a display apparatus, a frame rate converter divides an image signal into a first image frame for a left eye and a second image frame for a right eye, and generates a first intermediate image frame and a second intermediate image frame. A timing controller converts the first and second image frames to a first compensation frame and a second compensation frame, 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 left-eye and right-eye data voltages, respectively, and converts the first and second intermediate image frames to a predetermined black data voltage. | 05-17-2012 |
20120127159 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of driving a display panel includes identifying a dimension of input data, where the input data is one of two-dimensional input data and three-dimensional input data, and generating first distributed data and second distributed data based on the dimension of the input data by at least one of copying the input data and dividing the input data into front data and back data. | 05-24-2012 |
20120127160 | Three Dimensional Image Display Device and Method of Driving the Same - A three dimensional image display device includes a display device that includes a first region and a second region which are adjacent to each other. The display device alternately displays a left eye image and a right eye image, and displays an image having a predetermined gray in a period between the left eye image and the right eye image. In a current frame, a white data voltage is applied to the first region and a corrected white data voltage is simultaneously applied to the second region. The corrected white data voltage may be smaller than the white data voltage. A black data voltage is applied to the first region, a corrected black data voltage is simultaneously applied to the second region, and the corrected black data voltage may be smaller than the black data voltage. | 05-24-2012 |
20120127162 | METHOD FOR DISPLAYING A STEREOSCOPIC IMAGE AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method for displaying a stereoscopic image, the method comprises generating k images for a left eye and k images for a right eye based on a left-eye image and a right-eye image, where ‘k’ is a natural number greater than two, correcting an image currently received using an n-th image of the k images for the left eye and the k images for the right eye that are previously received, where ‘n’ is a natural number greater than ‘k’, displaying corrected k images for the left eye and corrected k images for the right eye on a display panel, and providing the display panel with lights based on the image displayed on the display panel. | 05-24-2012 |
20120127383 | Three Dimensional Image Display Device - A three-dimensional image display device includes a display and a polarization switching panel. The display includes a signal transmitter, and is configured to alternately display a left eye image and a right eye image. The polarization switching panel includes a signal receiver, an upper substrate, an upper electrode disposed on the upper substrate, a lower substrate, and a lower electrode disposed on the lower substrate. The signal transmitter and the signal receiver are synchronized by a 3D synchronization signal. | 05-24-2012 |
20120147162 | METHOD OF DISPLAYING STEREOSCOPIC IMAGE AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of displaying a stereoscopic image provides first light having a first wavelength and second light having a second wavelength different from the first wavelength to the a display panel according to left-eye and right-eye images displayed on the display panel. Color correcting data are generated by correcting at least one of left-eye color data corresponding to the left-eye image and right-eye color data corresponding to the right-eye image such that a first color coordinate according to the first light and a second color coordinate according to the second light coincide with each other with respect to the same color. The left-eye and right-eye images are displayed using light having wavelengths different from each other, so that a display quality of the stereoscopic image may be enhanced. | 06-14-2012 |
20120169780 | METHOD OF COMPENSATING DATA, DATA COMPENSATING APPARATUS FOR PERFORMING THE METHOD AND DISPLAY APPARATUS HAVING THE COMPENSATING APPARATUS - A method of compensating data includes extending a number of bits of data and outputting extended data of a first color, compensating a luminance of the extended data of the first color based on a position of the extended data of the first color in a display panel and outputting compensated data of the first color, and outputting compensated data of a second color and compensated data of a third color based on the compensated data of the first color. | 07-05-2012 |
20120256908 | METHOD OF DISPLAYING THREE-DIMENSIONAL IMAGE AND DISPLAY APPARATUS FOR PERFORMING THE METHOD - A method of displaying a three-dimensional image includes sequentially providing light to display blocks of a display panel in a scan direction of an image, providing light at a maximum luminance to a display block during a first period in which an image for a left-eye or a right-eye is displayed on the display block, providing the light at a luminance gradually decreasing from the maximum luminance to a preset luminance to the display block during a second period in which a transition image between the left-eye or the right-eye image and a black image is displayed on the display block, and blocking the light from the display block during a third period including a period in which the black image is displayed on the display block and prior to a period in which a left-eye or a right-eye image of a following frame is displayed on the display block. | 10-11-2012 |
20120287896 | METHOD OF REQUESTING ALLOCATION OF UPLINK RESOURCES FOR EXTENDED REAL-TIME POLLING SERVICE IN A WIRELESS COMMUNICATION SYSTEM - An apparatus in a Base station (BS) and an apparatus in a Mobile Station (MS) are provided for allocating and requesting, respectively, uplink resources in a wireless communication system. The apparatus in the MS includes a transmitter for sending, to a base station, a predetermined Channel Quality Information CHannel (CQICH) codeword over a pre-allocated CQICH in a silence period, when an uplink bandwidth for an extended real-time Polling Service (ertPS) is not allocated to the mobile station, to inform the base station that the mobile station has data to send; and a receiver for receiving, from the base station, information related to an uplink bandwidth supporting a maximum rate allocated by the base station, in response to the CQICH codeword | 11-15-2012 |
20130002653 | Three Dimensional Image Display Device and Driving Method Thereof - In a 3D image display device and a driving method thereof, a left-eye image and a right-eye image are displayed at a 3D display frequency higher than a 2D display frequency in a 3D mode. The left-eye image or the right-eye image is applied to a data line as data voltages having the same polarity and the same magnitude throughout at least two consecutive frames. A gate-on voltage is applied to a plurality of gate lines crossing the data line sequentially at an interval of a compensation gate-on application time calculated based on a total data delay value. | 01-03-2013 |
20130005343 | METHOD AND SYSTEM FOR TRANSMITTING/RECEIVING NEIGHBOR BASE-STATION - A method and system for transmitting/receiving a neighbor base-station information message in a broadband wireless access system. A method includes receiving, by the mobile station, a neighbor BS information message; determining whether or not an operator ID field related to a first neighbor BS is included in the neighbor BS information message; and determining that the first neighbor BS has identical BS information as a serving BS, if the operator ID field is not included in the neighbor BS information message. | 01-03-2013 |
20130021334 | LIQUID CRYSTAL DISPLAY - In a liquid crystal display, black data is input to a portion of the pixel rows only during display of a | 01-24-2013 |
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 |
20140002509 | METHOD OF DRIVING DISPLAY DEVICE | 01-02-2014 |
20140028740 | METHOD OF DISPLAYING A THREE DIMENSIONAL IMAGE AND DISPLAY APPARATUS FOR PERFORMING THE METHOD - A method of displaying a three-dimensional image, the method includes sequentially displaying a first three-dimensional image on a plurality of horizontal lines of a display panel along a scan direction, and simultaneously displaying a black image on the horizontal lines of the display panel, the black image being inserted between the three-dimensional images having different images. | 01-30-2014 |
20140104265 | METHOD OF COMPENSATING IMAGE DATA AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of compensating image data, the method includes generating a compensation data of an image data in accordance with a temperature value by using a compensation data of a previous frame and a compensation data generated through a look-up table which is mapped with corresponding to a compensation data of a previous frame and a set temperature value which is smaller than and closest to the temperature value or which is greater than and closest to the temperature value among set temperature values. | 04-17-2014 |
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 |
20140308950 | METHOD AND SYSTEM FOR TRANSMITTING/RECEIVING NEIGHBOR BASE-STATION ADVERTISEMENT MESSAGE IN BROADBAND WIRELESS ACCESS SYSTEM - Methods and apparatuses are provided for receiving neighbor BS information by a mobile station in a wireless communication system. The mobile station receives a neighbor BS information message. It is determined whether operator ID information identifying a network operator of a neighbor BS is not included in the neighbor BS information message. Operator information related to the neighbor BS is identified as operator information related to a serving BS, if it is determined that the operator ID information is not included in the neighbor BS information message. | 10-16-2014 |
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 |
20150062189 | 3D IMAGE DISPLAY APPARATUS AND DRIVING METHOD THEREOF - An image display control unit in a three-dimensional image display apparatus is configured to drive gate lines and the data lines so as to provide the display panel with a left eye image signal during a first frame in which a right eye image signal is displayed on the display panel, and with the right eye image signal during a second frame in which the left eye image signal is displayed on the display panel. During the first frame, each of the pixels provides a second capacitor with the right eye image signal, and a first capacitor with the left eye image signal. During the second frame, each of the pixels provides the first capacitor with the right eye image signal, and the second capacitor with the left eye image signal. A backlight unit maintains a turn-on state during the first and second frames. | 03-05-2015 |
20150070405 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of driving a display panel includes generating a high data voltage having a high gamma corresponding to a grayscale of input image data, generating a low data voltage having a low gamma less than the high gamma corresponding to the grayscale of the input image data and outputting the high data voltage and the low data voltage to pixels of a display panel. Of the high data voltage and the low data voltage, only the low data voltage is outputted to the pixels of the display panel during at least one frame. | 03-12-2015 |
20150077406 | DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - A display device including a display panel which includes pixels connected to gate lines and data lines; and an image display control unit controlling an input image signal to be converted into a data signal and, thereby, display an image on the display panel. The image display control unit outputs the data signal so that a position of an image being displayed on the display panel is changed when the image signal is the same for a preselected time period and sets a next position change time period of the image according to a distance between an original position of the image and a changed position of the image. | 03-19-2015 |