Patent application number | Description | Published |
20100215123 | WIDEBAND DIGITALLY-CONTROLLED OSCILLATOR (DCO) AND DIGITAL BROADCASTING RECEIVER HAVING THE SAME - A wideband digitally-controlled oscillator (DCO) is provided. The wideband DCO includes an active element which is driven by a first digital control signal; a single inductor which is connected to the active element in parallel, and comprises fixed inductance; and a plurality of capacitors which are connected to the single inductor in parallel, and vary operating frequency by being selectively turned on or off by a second digital control signal. Accordingly, the wideband DCO capable of operating in a wideband frequency range using a single inductor is provided, and if the wideband DCO is implemented using a single integrated circuit (IC) chip, the size of chip is reduced as the single inductor is used. | 08-26-2010 |
20110001693 | BACKLIGHT UNIT FOR LIQUID CRYSTAL DISPLAY DEVICE - There is provided a backlight unit for an LCD device. The backlight unit, disposed under a liquid crystal panel and emitting light to a liquid crystal panel, includes a lightguide plate, a light emitting diode (LED) array disposed at an edge of the lightguide plate and including a plurality of LED blocks each including at least one LED emitting white light, and a controller controlling a current signal applied to each of the plurality of LED blocks to regulate the luminance of each LED block. Accordingly, the backlight unit can be provided, which is capable of contributing to manufacturing thinner and larger products and realizing effective local dimming by using an LED disposed at an edge of the lightguide plate. | 01-06-2011 |
20110026241 | BACKLIGHT UNIT - Provided is a backlight unit including a plurality of light emitting diodes (LEDs) that emit light; a plurality of LED modules having a printed circuit board (PCB) which supports and drives the plurality of LEDs; a plurality of optical sheets that are attached to the top surfaces of the respective LED modules; and a plurality of heat radiating pads that are attached to the rear surfaces of the respective LED modules. | 02-03-2011 |
20140313696 | BACKLIGHT UNIT - Provided is a backlight unit including a plurality of light emitting diodes (LEDs) that emit light; a plurality of LED modules having a printed circuit board (PCB) which supports and drives the plurality of LEDs; a plurality of optical sheets that are attached to the top surfaces of the respective LED modules; and a plurality of heat radiating pads that are attached to the rear surfaces of the respective LED modules. | 10-23-2014 |
Patent application number | Description | Published |
20080310503 | Method and apparatus for entropy-coding/entropy-decoding video data - Provided are a method and apparatus for entropy-encoding/entropy-decoding video data. The method of entropy-encoding video data includes binarizing coefficients of the frequency domain, which are generated by transforming a residual block of a current block into the frequency domain, using different binarization methods and performing binary arithmetic coding on the binarized coefficients. In this way, the coefficients are binarized adaptively according to whether the frequencies of the coefficients are high or low, thereby improving the compression efficiency of the video data. | 12-18-2008 |
20090067503 | METHOD AND APPARATUS FOR VIDEO DATA ENCODING AND DECODING - Video data encoding and decoding methods and apparatuses are provided. In the video data encoding and decoding methods, codes books are provided to an encoder and a decoder. In the encoder, an index corresponding to a vector that is most similar to a current vector of an input moving picture among the vectors of the code book is encoded. In the decoder, the index is decoded. Accordingly, it is possible to increase compression ratio and reduce calculation complexity. | 03-12-2009 |
20090238271 | APPARATUS AND METHOD FOR ENCODING AND DECODING USING ALTERNATIVE CONVERTER ACCODING TO THE CORRELATION OF RESIDUAL SIGNAL - Provided is an apparatus and method for encoding and decoding using alternative transform units according to the correlation of residual signals. The video encoding apparatus includes a first transforming unit for performing discrete cosine transform (DCT), first quantization, first inverse quantization, and inverse DCT on a block basis onto residual coefficients generated after intra frame prediction or inter frame prediction; a second transforming unit for performing discrete sine transform (DST), second quantization, second inverse quantization, and inverse DST on a block basis onto the residual coefficients; a selecting unit for selecting one having a high compression rate between the first and second transforming units for each block through performing rate-distortion optimization; and a flag marking unit for recording information about the selected transforming unit at a flag bit provided on a macroblock basis. | 09-24-2009 |
20090248526 | METHOD AND PORTABLE APPARATUS FOR SETTLING TRANSACTION - A method and portable apparatus for settling a transaction are provided, in which the portable apparatus may be used as a card substitute payment device for settling a transaction. Information to conduct a settlement may be stored in the portable apparatus. The portable apparatus may be, for example, a portable phone or a PDA. A transaction inquiry machine may read or receive the information from the portable apparatus, similar to that of a card reader reading a magnetic card, and transmit the information to a VAN company server or a card company server, to then request for an approval to settle the transaction. | 10-01-2009 |
20100284459 | APPARATUS FOR ENCODING AND DECODING IMAGE USING ADAPTIVE DCT COEFFICIENT SCANNING BASED ON PIXEL SIMILARITY AND METHOD THEREFOR - The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes: a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients. | 11-11-2010 |
20110286516 | APPARATUS AND METHOD FOR CODING/DECODING IMAGE SELECTIVLY USING DESCRETE COSINE/SINE TRANSTORM - Disclosed is a data transmission system that transmits data by using a relay. | 11-24-2011 |
20130343452 | APPARATUS FOR ENCODING AND DECODING IMAGE USING ADAPTIVE DCT COEFFICIENT SCANNING BASED ON PIXEL SIMILARITY AND METHOD THEREFOR - The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients. | 12-26-2013 |
20140037000 | APPARATUS FOR ENCODING AND DECODING IMAGE USING ADAPTIVE DCT COEFFICIENT SCANNING BASED ON PIXEL SIMILARITY AND METHOD THEREFOR - The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients. | 02-06-2014 |
20140044367 | APPARATUS AND METHOD FOR CODING/DECODING IMAGE SELECTIVELY USING DISCRETE COSINE/SINE TRANSFORM - Disclosed is a data transmission system that transmits data by using a relay. | 02-13-2014 |
20140321529 | VIDEO ENCODING AND/OR DECODING METHOD AND VIDEO ENCODING AND/OR DECODING APPARATUS - Disclosed is a video processing apparatus. The video processing apparatus includes a video central processing unit to communicate with a host and to parse parameter information or slice header information from video data input from the host, and a plurality of video processing units to process a video based on the parsed information according to control by the central video processing unit, wherein the video central processing unit determines an entry point of a video bitstream to be allocated to each of the video processing units in view of a number of pixels to be processed by each video processing unit. | 10-30-2014 |