| 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 (ā3Dā) 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 |