Patent application number | Description | Published |
20140140616 | DEVICE FOR CONVERTING COLOR GAMUT AND METHOD THEREOF - A color gamut conversion device includes: a target color coordinate converter configured to convert each RGB value of red (R), green (G), blue (B), cyan (C), magenta (M), yellow (Y), and white (W) of a target color coordinate into a tristimulus value XYZ; a reference conversion matrix generator configured to generate a first reference conversion matrix for converting each tristimulus value XYZ into an R′G′B′ value according to a color gamut of a reference display; a low power corrected value calculator configured to calculate a low power corrected value for correcting the R′G′B′ value; a lookup table (LUT) generator configured to generate an LUT including an R″G″B″ value corresponding to each RGB value by using a second reference conversion matrix that the low power corrected value is applied to the first reference conversion matrix; and a color gamut converter configured to convert image data of the RGB values into image data of the R″G″B″ values using the LUT. | 05-22-2014 |
20140285533 | DISPLAY DEVICE, DATA PROCESSING DEVICE FOR THE SAME, AND METHOD THEREOF - A data processing device includes a gamma processor applying a gamma function to grayscale data including red grayscale data, green grayscale data, and blue grayscale data to generate luminance data including red luminance data, green luminance data, and blue luminance data, a first compensation coefficient generator generating a first compensation coefficient, a second compensation coefficient generator calculating a first grayscale ratio of the blue grayscale data and a second grayscale ratio of the red grayscale data, and generating a second compensation coefficient, a data compensation coefficient generator generating a data compensation coefficient by multiplying the first compensation coefficient and the second compensation coefficient, a data compensator generating compensation luminance data by adding the luminance data to a value of the data compensation coefficient multiplied by the luminance data, and an inverse processor generating compensation grayscale data. | 09-25-2014 |
20140300625 | DISPLAY DEVICE AND METHOD OF COMPENSATING COLORS OF THE DISPLAY DEVICE - Provided is a display device including: a display panel comprising a plurality of pixels, each of the plurality of pixels configured to display one of three primary colors; and a color compensator configured to receive color data comprising gradation data corresponding to each of the three primary colors and configured to increase chroma of a color in which the three primary colors are mixed, by compensating a color of the color data based on color ratios of the three primary colors. | 10-09-2014 |
20140306979 | APPARATUS FOR COMPENSATING COLOR CHARACTERISTICS IN DISPLAY DEVICE AND COMPENSATING METHOD THEREOF - An apparatus and method for compensating color characteristics in individual display devices that each include a display unit including a plurality of pixels to display images according to compensated image data signals, a test data input section to transmit a predetermined test image data signal to the pixels to display a test image, a luminance measuring unit to receive luminance information from the display unit displaying the test image and determine actual luminance ratios of a first color, a second color, and a third color from the received luminance information, a compensation ratio determiner to calculate a compensation ratio from both the actual and reference luminance ratios of each color and a data compensator to generate the compensated image data signals by adjusting external input video signals according to the compensation ratio. | 10-16-2014 |
20150097765 | DATA CONVERSION UNIT AND METHOD OF CONVERTING DATA - A data conversion unit includes a gamma conversion unit configured to generate a first gamma data by gamma-converting a first data supplied from an outside thereof, a representative luminance value calculation unit configured to calculate a representative luminance value of an entire panel, based on the first gamma data, a subtraction unit configured to subtract the calculated representative luminance value from gamma conversion values of respective pixels included in the first gamma data, a compensation unit configured to generate a second gamma data by converting the gamma conversion values of the respective pixels, based on the subtracted values corresponding to the respective pixels, and an inverse gamma conversion unit configured to generate a second data by inverse-gamma-converting the second gamma data. | 04-09-2015 |
20150228224 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a pixel unit including scan lines, data lines crossing the scan lines, and pixels connected to the scan lines and the data lines; a timing control unit configured to receive first data from an outside; a conversion unit configured to receive the first data from the timing control unit, to extract luminance components of the first data corresponding to the pixels to determine luminance distribution of the first data, to divide the luminance distribution into a plurality of luminance distribution ranges, and to convert the first data into second data by regulating an input gray level of the first data based on a conversion equation corresponding to a variation between data of the luminance distribution ranges; and a data drive unit configured to receive the second data from the conversion unit and to provide the second data to the data lines. | 08-13-2015 |
Patent application number | Description | Published |
20120113073 | DISPLAY APPARATUS - A display apparatus is disclosed. The display includes a display panel, a signal transmitter, and a driving chip. The signal transmitter is electrically connected with the display panel at a first bonding region of the display panel and receives an input signal from the outside. Further, the driving chip is electrically connected with the display panel at a second bonding region of the display panel and outputs a driving signal in response to the input signal. Further, the signal transmitter includes a base layer, a first conductive layer that is electrically connected with the display panel, and a second conductive layer that covers the first bonding region and the second bonding region. The second conductive layer can block electro static discharge and electro magnetic interference, such that it is possible to prevent display quality of the display apparatus from being deteriorated. | 05-10-2012 |
20120113084 | LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD OF THE SAME - A liquid crystal display (LCD) and a driving method thereof are disclosed. According to some aspects the liquid crystal display (LCD) includes: a display unit including a plurality of pixels arranged in a matrix, a gate line respectively connected to the plurality of pixel rows, and a data line respectively connected to a plurality of pixel columns. The LCD further includes a gate driver configured to generate and sequentially transmit a plurality of gate signals to a plurality of pixel rows through the gate line by row to turn on a switch included in the pixel. The LCD further includes a data driver configured to apply a data voltage according to an image data signal to the pixel during a period in which the switch is turned on; and a common voltage generator configured to generate and apply a common voltage having a polarity that is opposite to the polarity of the data voltage to the pixel. According to some aspects, the period in which the switch is turned on includes a first period and a second period that are separated from each other by a period in which the data voltage is transmitted to at least one pixel row, and during the first period, as a voltage according to a difference between the data voltage transmitted to the pixel and the common voltage applied to the pixel, a voltage for displaying a black image according to a liquid crystal mode of the display unit is stored to the pixel. | 05-10-2012 |
20120162201 | STEREOSCOPIC DISPLAY APPARATUS - A stereoscopic display apparatus is disclosed. In one embodiment, the apparatus includes: a display unit which includes left eye image areas displaying a left eye image and right eye image areas displaying a right eye image and a parallax barrier which keeps a predetermined distance from the display unit to face the display unit and includes slits transmitting light emitted from the display unit and barriers blocking the light emitted from the display unit, wherein the slits and the barriers are alternately formed at the parallax barrier. The apparatus may further include a vibrator which is combined with at least a part of the parallax barrier and expands and contracts in a direction in which the display unit emits the light. | 06-28-2012 |
20140049449 | DUAL-DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A dual-display device includes a flexible substrate comprising first and second surfaces opposing each other, the first surface comprising a first area and a second area, the flexible substrate being bent to allow the first and second areas of the first surface to face each other, the second surface comprising first and second areas opposing the first and second areas of the first surface, respectively. The device further includes a first display unit formed over the first area of the second surface of the bent flexible substrate, and realizing an image; a second display unit formed over second area that is opposite to the first area of the second surface of the bent flexible substrate, electrically connected to the first display unit via lines, and realizing another image; and a common driver unit electrically connected to a pad area that extends from the first display unit, and configured to transmit at least a signal to drive the first display unit and the second display unit. | 02-20-2014 |
20140118221 | TWO SIDE DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A two side display device includes: a flexible substrate including a first substrate part, a second substrate part under the first substrate part, and a bending part coupling the first substrate part to the second substrate part; a first display panel on the first substrate part and configured to display a first image in a first direction; a second display panel under the second substrate part and configured to display a second image in a second direction opposite the first direction; and a driving chip coupled to the first substrate part. | 05-01-2014 |
20140139992 | Double-Sided Emission Type Display Device - A double-sided emission type display device includes a first substrate having a first connection and a first protruded portion extending in a first direction; a first display unit at the first substrate; a second substrate coupled to the first substrate, comprising a second connection and a second protruded portion extending in the first direction; a second display unit at the second substrate; and a first flexible printed circuit board (FPCB) including a first connecting portion coupled to the first connection and a second connecting portion coupled to the second connection. | 05-22-2014 |
20140375597 | THIN FILM TRANSISTOR ARRAY SUBSTRATE AND DISPLAY APPARATUS INCLUDING SAME - A thin film transistor array substrate includes: an active area including a plurality of pixels; a driver integrated circuit in a non-active area around the active area and configured to supply a driving signal to the pixels; and a user input key positioned near the driver integrated circuit and configured to receive a user input. | 12-25-2014 |
Patent application number | Description | Published |
20090139492 | VARIABLE COMPRESSION RATIO APPARATUS - A variable compression ratio apparatus that changes the compression ratio of an air-fuel mixture in a combustion chamber according to a driving state of an engine, enablements may include a connecting rod receiving the combustion force from the piston; a pin link receiving a part of the combustion force from the connecting rod and rotating the crankshaft; a support link disposed substantially in parallel with the connecting rod; a division link receiving a part of the combustion force from the connecting rod and transmitting the part of the combustion force to the support link; a control link provided with one end coupled to the division link in order to change position of one end of the division link; and an eccentric camshaft coupled to other end of the control link in order to change position of a rotational axis of the control link. | 06-04-2009 |
20090151343 | Integrally Formed Engine Exhaust Manifold and Cylinder Head - An engine in which an exhaust manifold is integrally formed with a cylinder head may include the exhaust manifold in which at least one passage, which is connected to at least one exhaust port disposed in a first cylinder, and at least one passage, which is connected to at least one exhaust port disposed in a second cylinder, are formed, wherein the passage at the first cylinder and the passage at the second cylinder join together to communicate with a first single exhaust outlet. | 06-18-2009 |
20100307436 | VARIABLE VALVE LIFT APPARATUS THAT IS EQUIPPED WITH SWING ARM - A variable valve lift device equipped with a swing arm variably lifting an exhaust valve or an intake valve may include an outer body in which a mounting groove is formed in the middle portion thereof, an inner body mounted inside the mounting groove of the outer body and with a rear end thereof pivotally-connected to the outer body in the outer body, and a latching portion formed in the outer body and the inner body and fixing or releasing a front end portion of the inner body to the outer body. | 12-09-2010 |
20110132305 | VARIABLE TAPPET - The present invention relates to a variable tappet, and the variable tappet may include an inner tappet body of which a latching member connecting hole is formed thereto, a protrude portion formed to the latching member connecting hole, an outer tappet body which is disposed around the inner tappet body and slidable to the inner tappet body and a latching member which is disposed to the outer tappet body and selectively connected to the latching member connecting hole. | 06-09-2011 |
Patent application number | Description | Published |
20110221715 | FLAT PANEL DISPLAY DEVICE AND METHOD FOR DRIVING THEREOF - A flat panel display device is disclosed. In some embodiments, the flat panel display device has parallel gate and data lines in a display area. In some embodiments, all sub-pixels of each pixel are connected to the same data line and are connected to the same gate line. | 09-15-2011 |
20120113089 | Liquid Crystal Display Device and Driving Method Thereof - A liquid crystal display (LCD) includes: a liquid crystal panel including a plurality of pixels; a data driver applying a data voltage to a plurality of data lines connected to the plurality of pixels; a scan driver applying a scan voltage to a plurality of scan lines connected to the plurality of pixels in synchronization with a scan clock signal controlling an output of the scan signal for the data voltage to be applied to the plurality of pixels; and a boost driver applying a primary boost voltage and a secondary boost voltage to a plurality of boost lines connected to the plurality of pixels in synchronization with a boost clock signal controlling the output of the boost voltage, wherein the boost clock signal has different synchronization from the scan clock signal controlling the output of the scan signal. | 05-10-2012 |
20120127147 | Liquid Crystal Display and Driving Method Thereof - A liquid crystal display having: a liquid crystal display panel comprising a plurality of pixels; a data driver applying a data voltage to a plurality of data lines connected to the plurality of pixels; an initial voltage driver applying an initial voltage to the plurality of data lines before the data voltage is applied; and a boost driver applying a boost voltage to a plurality of boost lines connected to the plurality of pixels and boosting voltages of the plurality of pixels to which the data voltage is applied. Crosstalk caused by noise generated in a boost line can be reduced by coupling with a data line, and an ALS driving scheme can be applied to a liquid crystal display having high resolution. | 05-24-2012 |
20130027377 | GATE DRIVER AND DISPLAY DEVICE INCLUDING THE SAME - A gate driver includes stages coupled to each other and outputting gate signals. Each stage includes a node driver, a pull-up unit, a node controller, a first node stabilizer, and a pull-down unit. The node driver outputs a first voltage or a second voltage to a first node in response to a first or a second input signal. The pull-up unit pulls an output terminal to high in response to a voltage of the first node. The node controller outputs an on-voltage to a second node in response to a first clock signal from a third node or a second clock signal from a fourth node. The first node stabilizer stabilizes the first node to an off-voltage in response to a voltage of the second node. The pull-down unit pulls the output terminal to low in response to the voltage of the second node or the second input signal. | 01-31-2013 |
20140062843 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY USING THE SAME - A pixel capable of displaying an image with uniform brightness is disclosed. In one aspect, the pixel includes an organic light emitting diode (OLED), a first transistor for controlling an amount of current that flows from a first power supply to a second power supply via the OLED in response to a voltage applied to a first node. The pixel also includes a second transistor that is coupled between a bias power supply and the first node and whose gate electrode is coupled to an emission control line. The pixel further includes a third transistor that is coupled between an anode electrode of the OLED and a feedback line and whose gate electrode is coupled to a control line. | 03-06-2014 |
20140176616 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING AN ORGANIC LIGHT EMITTING DISPLAY DEVICE - In a method of driving an organic light emitting display device, a first data signal constituting an image frame is sequentially written into first pixel circuits coupled to first scan-lines by sequentially performing a scanning operation on the first scan-lines in a first direction, a second data signal constituting the image frame is sequentially written into second pixel circuits coupled to second scan-lines by sequentially performing the scanning operation on the second scan-lines in a second direction, and the image frame is displayed by controlling the first and second pixel circuits to simultaneously emit light. | 06-26-2014 |
20140266993 | DISPLAY DEVICE - A display device includes: a display panel including: a display portion for displaying an image; and a first pad coupled with the display portion and for receiving an out signal from the display portion; a driver coupled with the display portion for supplying a driving signal to the display portion; a cover covering the display panel; and a connection unit coupling the first pad and the driver to each other to transmit the out signal to the driver, wherein at least a portion of the connection unit is in the cover. | 09-18-2014 |
20140333596 | DISPLAY DEVICE, SCAN DRIVING DEVICE AND DRIVING METHOD THEREOF - A scan driver includes scan-driving blocks, each including a first transistor having a gate coupled to a first node to supply a first power to an output terminal, a second transistor having a gate coupled to a second node to couple a second clock to the output terminal, a third transistor having a gate coupled to a first input to supply the first power to the first node, a fourth transistor having a gate coupled to a second input to supply a second power to the first node, and a fifth transistor having a gate coupled to a first clock to couple the first input to the second node. A first scan-driving block further includes a sixth transistor coupled between the second input and the fourth transistor gate, and a NOT gate configured to invert the first input signal and to supply the inverted signal to the sixth transistor gate. | 11-13-2014 |
20150015562 | SCAN DRIVING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME - A scan driving device includes shift registers, each including a first signal terminal to which a forward direction driving start signal is transferred, a second signal terminal to which a backward direction driving start signal is transferred, a clock signal terminal and a clock bar signal terminal to which a clock signal and a clock bar signal are applied, a sustain signal terminal to which a sustain signal is transferred, a control signal terminal to which a control signal is transferred, a gate clock signal terminal to which a gate clock signal is transferred, and an output signal terminal, where driving power source voltages including a high potential power source voltage and low potential power source voltages is applied to each shift register, and an application of the low potential power source voltages to each shift register is controlled based on the sustain signal. | 01-15-2015 |
20150130859 | ORGANIC LIGHT EMITTING DISPLAY AND DRIVING METHOD THEREOF - An organic light emitting display includes pixels, a scan driver configured to supply a scan signal to a specific scan line during a third period of the sensing frame, and configured to sequentially supply scan signals to the scan lines during a sixth period of the sensing frame, a data driver configured to supply, to the data lines, a previous data signal corresponding to a gray scale according to the scan signal supplied to the specific scan line during the third period, and configured to supply a current data signal to the data lines to be synchronized with the scan signals supplied during the sixth period, and a compensation unit configured to extract the threshold voltage and mobility information of the driving transistor from pixels at a specific horizontal line and coupled to the specific scan line before the scan signal is supplied during the third period. | 05-14-2015 |
20150145754 | PIXEL CIRCUIT FOR INCREASING ACCURACY OF CURRENT SENSING - A pixel circuit for increasing accuracy of current sensing of an organic light-emitting diode (OLED) display is disclosed. In one aspect, the pixel circuit includes an OLED, a driving circuit, and first to third transistors. The driving circuit is configured to adjust a magnitude of a current flowing through the OLED based at least in part on a data signal received from a data line. The first transistor is configured to electrically connect the data line and a holding capacitor based at least in part on a scan signal. The second transistor is configured to electrically connect the holding capacitor and the driving circuit based at least in part on a write control signal. The third transistor is configured to electrically connect the data line and an anode electrode of the OLED based at least in part on a sensing control signal. | 05-28-2015 |
Patent application number | Description | Published |
20120081330 | 3-dimensional flat panel display with built-in touch screen panel - A 3-dimensional (3D) flat panel display with a built-in touch screen panel includes a first substrate, a plurality of pixels on the first substrate, a plurality of first electrode patterns spaced apart from one another at a first predetermined interval along a first direction, the plurality of first electrode patterns for driving the plurality of pixels, a second substrate positioned to face the first substrate, and a plurality of barrier patterns formed on an outer surface of the second substrate and spaced apart from one another at a second predetermined interval along a second direction, intersecting the first direction. At least one of the plurality of first electrode patterns and at least one barrier pattern of the plurality of barrier patterns serve as electrodes for the built-in touch screen panel. | 04-05-2012 |
20120146994 | 2D/3D Switchable Image Display Apparatus and Method of Displaying 2D and 3D Images - In a two-dimensional/three-dimensional (2D/3D) switchable image display apparatus and a method of displaying 2D and 3D images, the 2D/3D switchable image display apparatus may comprise: a data driver which outputs column data of an input image; a scan driver which controls a driving method of a plurality of odd scan lines and a plurality of even scan lines according to an input method and a display mode of the input image; a display panel which displays a 2D image or a 3D image by separately displaying the input image in odd lines and even lines; and a parallax device which generates binocular parallax between an image displayed in the odd lines and an image displayed in the even lines. | 06-14-2012 |
20120162208 | 2D/3D IMAGE DISPLAY DEVICE - A two-dimensional (2D)/three-dimensional (3D) image display device is disclosed. The 2D/3D image display device includes pixels each having a first subpixel and a second subpixel, wherein, in a 2D driving mode, the first subpixel and the second subpixel respectively display images for a same image signal based on data voltages corresponding to different gamma curves. | 06-28-2012 |
20120293490 | Display apparatus - A display apparatus includes a first substrate opposite a second substrate, a plurality of electrode patterns in the second substrate, the plurality of electrode patterns extending along a first direction, a plurality of barrier patterns in the second substrate, the plurality of barrier patterns being insulated from the electrode patterns and extending along a second direction crossing the first direction, and a plurality of pixels, the first and second substrates with the pixels defining a display panel, and each pixel including a gate line extending along a third direction, a data line extending along a fourth direction, and a pixel electrode electrically connected to the gate line and the data line, the pixel electrode being configured to generate an electric field with a corresponding electrode pattern of the plurality of electrode patterns to display an image. | 11-22-2012 |
20130257915 | DISPLAY APPARATUS - A display apparatus having improved display quality is disclosed. According to one aspect, the display apparatus includes a display panel including first to Mth data lines extending in a first direction, where M is an integer greater than 2, first to Nth scan lines extending in a second direction, where N is an integer greater than 2, and a plurality of pixel regions defined by one or more of the data lines and one or more of the scan lines. An image data processor is configured to process input image signals and output corrected input image signals, and a data driver is configured to receive the corrected input image signals and supply the same to the first to Mth data lines. The plurality of pixel regions include first to Mth pixel arrays extending in parallel, and the image data signal processor is configured to output the corrected input image signals to adjust a gray value applied to at least one of the first pixel array and the Mth pixel array. | 10-03-2013 |
20130335439 | SYSTEM AND METHOD FOR CONVERTING COLOR GAMUT - A color gamut conversion system comprising a color gamut conversion function generator, a color gamut converter, and a scaler is disclosed. In some embodiments, the color gamut conversion function generator is configured to generate a color gamut conversion function for determining an intermediate color gamut located in a color space between a predetermined color gamut corresponding to a display panel of a display device and a standard color gamut, the color gamut converter is configured to receive input data supplied from an external image source and convert a color coordinate of the input data according to the generated color gamut conversion function and the scaler configured is to scale a value of the data converted by the color gamut converter, generate the value as output data, and transfer the output data. | 12-19-2013 |
20140071175 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - An organic light emitting display device and a driving method thereof are disclosed. The display device has sub-pixels of multiple colors. In one aspect, the organic light emitting display device detects sub-pixels which are positioned at the edges of the panel. Data for the sub-pixels on the edges are reduced so that colors on the edges are less observable. | 03-13-2014 |
20140097760 | DISPLAY APPARATUS AND METHOD OF EVALUATING VISIBILITY THEREOF - A method of evaluating visibility of a plurality of sub-pixel structures in a panel having a plurality of red sub-pixels, green sub-pixels, and blue sub-pixels arranged in stripes, the method including establishing a target sub-pixel structure different from the stripe sub-pixel structure of the panel by combining the plurality of pixels, and evaluating a displayed image by using the target sub-pixel structure. | 04-10-2014 |
20140232735 | DISPLAY DEVICE, DATA PROCESSOR AND METHOD THEREOF - A data processor for a display device that includes a plurality of pixels, each of which includes red, first green, blue, and second green sub-pixels, may include an input gamma processor for processing image data including red, green, and blue grayscale data into linearized image data by applying a gamma function to the image data, a first sub-pixel rendering unit for rendering the linearized image data according to layout of a plurality of sub-pixels included in the plurality of pixels using a | 08-21-2014 |
20150015590 | DISPLAY DEVICE, DATA PROCESSING APPARATUS, AND RELATED METHOD - A data processing apparatus includes a diagonal detector, a first processor, and a second processor. The diagonal detector may determine whether a red-blue data set includes data for controlling a display device to display any diagonal line, the display device including subpixels arranged in first-type lines and second-type lines that are alternately disposed, the red-blue data set including 9 data values that correspond to 9 subpixels among the subpixels, the 9 subpixels forming a 3-by-3 array that includes a center subpixel, the 9 data values including a center data value that corresponds to the center subpixel. The first/second processor may process the center data value using a first/second coefficient to produce a first/second value that corresponds to the center subpixel if the center subpixel is in the first-type/second-type lines. | 01-15-2015 |
20150015600 | SIGNAL PROCESSING METHOD, SIGNAL PROCESSOR, AND DISPLAY DEVICE INCLUDING SIGNAL PROCESSOR - A method of signal-processing input image data of a display device including a plurality of pixels, each pixel including a green subpixel and one of a red subpixel and a blue subpixel, the method includes: performing a gamma-conversion on input image data corresponding to the one of the red subpixel and the blue subpixel in each pixel; distributing the gamma-converted input image data corresponding to a center pixel to image data of a pixel in a vertical direction based on the center pixel by a first ratio; and distributing the gamma-converted input image data corresponding to the center pixel to image data of a pixel in a horizontal direction based on the center pixel by a second ratio, where the green subpixel and the one of the red subpixel and the blue subpixel are diagonally disposed in each pixel. | 01-15-2015 |
20150117774 | APPARATUS AND METHOD FOR ENCODING IMAGE DATA - An apparatus for encoding an image data includes a sub-pixel rendering unit configured to convert a first image data of a RGB type, supplied from an outside thereof, into a second image data of a RG-BG type by performing sub-pixel rendering on the first image data, a first differential pulse code modulation (DPCM) processing unit configured to generate a first differential data including a differential value between gray scale values corresponding to green sub-pixels in the second image data, and a second DPCM processing unit configured to generate a second differential data including a differential value between a gray scale value corresponding to a red or blue sub-pixel in the second image data and an average value of gray scale values corresponding to green sub-pixels adjacent to the red or blue sub-pixel. | 04-30-2015 |
20150125086 | APPARATUS AND METHOD FOR ENCODING IMAGE DATA - An apparatus for encoding an image data includes a sub-pixel rendering unit and a first differential pulse code modulation (DPCM) processing unit. The sub-pixel rendering unit converts first image data of an RGB type to second image data of an RG-BG type. The DPCM processing unit generates first differential data including primary differential values corresponding to respective sub-pixels. To perform this operation, the DPCM processing unit calculates a gray value difference from a neighboring sub-pixel for each of the sub-pixels based on the second image data. | 05-07-2015 |
20150146978 | DISPLAY DRIVING APPARATUS AND DRIVING METHOD THEREOF - A display driving apparatus and a driving method may improve the compression rate of data. The display driving apparatus may include: an encoder configured to compress data of a Pentile method, using any one of a plurality of encoding methods, and compress the data according to a pattern encoding method in addition to the any one of the plurality of encoding methods when the data corresponds to a specific pattern; a decoder configured to decompress the data compressed in the encoder according to a decoding method corresponding to the any one of the encoding methods; and a data driver configured to generate a data signal using the data decompressed in the decoder. | 05-28-2015 |
Patent application number | Description | Published |
20100099215 | THIN FILM TRANSISTOR, FLAT PANEL DISPLAY INCLUDING THE THIN FILM TRANSISTOR, AND METHOD FOR MANUFACTURING THE THIN FILM TRANSISTOR AND THE FLAT PANEL DISPLAY - A thin film transistor having a transformed region that provides the same result as patterning a semiconductor layer, a flat panel display having the thin film transistor and a method for manufacturing the thin film transistor and the flat panel display are disclosed. The thin film structure includes a gate electrode, a source and a drain electrode, each insulated from the gate electrode and an organic semiconductor layer coupled to the source electrode and the drain electrode. The organic semiconductor layer includes the transformed region having a crystal structure distinguished from crystal structures of regions around the channel region. | 04-22-2010 |
20100252803 | THIN FILM TRANSISTOR HAVING A NANO SEMICONDUCTOR SHEET AND METHOD OF MANUFACTURING THE SAME - Provided are a nano semiconductor sheet, a thin film transistor (TFT) using the nano semiconductor sheet, and a flat panel display using nano semiconductor sheet. The nano semiconductor sheet has excellent characteristics, can be manufactured at room temperature, and has good flexibility. The nano semiconductor sheet includes: a first film and a second film disposed on at least one side of or inside of the first film, and includes a plurality of nano particles arranged substantially in parallel to each other. In addition, provided are a method of manufacturing a nano semiconductor sheet and methods of manufacturing a TFT and a flat panel display using the nano semiconductor sheet. The method of manufacturing a nano semiconductor sheet, includes: forming first polymer micro-fibers having a plurality of nano particles arranged substantially in parallel; preparing a first film; and arranging a plurality of the first micro-fibers on at least one side of or inside of the first film. | 10-07-2010 |
20130285290 | LASER IRRADIATION DEVICE AND METHOD OF FABRICATING ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME - A laser irradiation device and a method of fabricating an organic light emitting display device (OLED) using the same are disclosed. The laser irradiation device includes: a laser source generating a laser beam; a mask disposed below the laser source and patterning the beam and a projection lens disposed below the mask and determining magnification of the laser beam through the mask, wherein the laser beam penetrating the mask has different doses in at least two regions. Thus, the laser irradiation device can maximize emission efficiency and enhance the quality of a transfer layer pattern when an organic layer of the OLED is formed using the laser irradiation device. | 10-31-2013 |
20130288414 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME - An organic light-emitting display apparatus and a method of manufacturing the same, the apparatus including: a substrate; a first electrode formed on the substrate; an intermediate layer formed on the first electrode, including an organic emissive layer; a second electrode formed on the intermediate layer; and an insulating member interposed between the intermediate layer and the second electrode, on an edge of the first electrode. | 10-31-2013 |
Patent application number | Description | Published |
20110175094 | Organic light emitting diode display - An organic light emitting diode display includes a display substrate, a sealing member disposed to face the display substrate, a sealant disposed between the display substrate and the sealing member, the sealant being configured to attach the display substrate and the sealing member to each other, a plurality of conductive wires on the display substrate, the conductive wires overlapping the sealant, and at least one short-circuit blocking layer between the conductive wires. | 07-21-2011 |
20130126874 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND MANUFACTURING METHOD THEREOF - An organic light emitting diode (OLED) display comprises: a thin film transistor substrate including an organic light emitting element; and a sealing substrate attached to the thin film transistor substrate, thereby sealing the thin film transistor substrate. The sealing substrate has a folding portion enclosing a side surface and a bottom surface of an edge portion of the thin film transistor substrate. | 05-23-2013 |
20130187839 | ORGANIC LIGHT EMITTING DISPLAY DEVICES AND METHODS OF MANUFACTURING ORGANIC LIGHT EMITTING DISPLAY DEVICES - An organic light emitting display device includes a first substrate, an organic light emitting structure, a peripheral circuit, a recess, a black matrix and a polarization structure. The first substrate may include a display region and a peripheral region. The peripheral region may surround the display region or extend along at least one side of the display region. The organic light emitting structure may be disposed over a first face of the first substrate in the display region. The peripheral circuit may be disposed over the first face of the first substrate in the peripheral region. The recess may be disposed on a second face of the first substrate in the peripheral region. The black matrix may be disposed in the recess. The polarization structure may be disposed over the black matrix and the second face of the first substrate. | 07-25-2013 |
20130343032 | POLARIZATION STRUCTURES, METHODS OF MANUFACTURING POLARIZATION STRUCTURE AND DISPLAY DEVICES INCLUDING POLARIZATION STRUCTURES - A polarization structure may include at least one adhesion layer, a phase retarder layer disposed over the adhesion layer, a polarization layer disposed over the phase retarder layer, and a light blocking member disposed over a peripheral portion of the polarization layer, under the peripheral portion of the polarization layer or under a peripheral portion of the phase retarder layer. When a display device includes the polarization structure having the light blocking member, the display device may display an image with improved visibility and uniformity in an entire display area although the display device has a minimized bezel or does not have any bezel. | 12-26-2013 |
Patent application number | Description | Published |
20130126873 | Thin Film Transistor, Fabrication Method Thereof, and Organic Light Emitting Diode Display Having the Same - A thin film transistor (TFT) comprises; an active layer formed on a substrate; a gate insulating layer formed on the active layer; a gate electrode including a first gate region and a second gate region, formed on portions of the gate insulating layer and spaced apart with a separation region interposed therebetween; an interlayer insulating layer formed on the gate insulating layer and the gate electrode, and having an opening formed to expose portions of the gate insulating layer and the gate electrode around the separation region; a gate connection electrode formed on the interlayer insulating layer and connected to the first gate region and the second gate region through the opening; and source and drain electrodes formed on the interlayer insulating layer. The TFT and the OLED display device have excellent driving margin without a spatial loss. | 05-23-2013 |
20140027737 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND MANUFACTURING METHOD THEREOF - An organic light emitting diode display includes a substrate including a display region displaying an image and a peripheral region surrounding the display region, a plurality of pad wires formed in the peripheral region of the substrate, and a plurality of bumps formed between the plurality of pad wires. The organic light emitting diode display blocks or relieves impact which is generated when a temporary upper protective film is half-cut and applied to a plurality of pad wires or an insulating layer by forming a plurality of bumps between the plurality of pad wires, thus preventing a damage to the pad wires or the insulating layer. | 01-30-2014 |
20140055028 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE - An organic light-emitting display device is provided. The organic light-emitting display device includes a substrate; a display unit on the substrate; and a sealing substrate on the display unit. The sealing substrate includes a first surface facing the display unit and a second surface opposite to the first surface. A first barrier layer is on the first surface or the second surface of the sealing substrate. Thus, the organic light-emitting display device may easily reduce or prevent penetration of external air and moisture. | 02-27-2014 |
20150311478 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND MANUFACTURING METHOD THEREOF - An organic light emitting diode display includes a substrate including a display region displaying an image and a peripheral region surrounding the display region, a plurality of pad wires formed in the peripheral region of the substrate, and a plurality of bumps formed between the plurality of pad wires. The organic light emitting diode display blocks or relieves impact which is generated when a temporary upper protective film is half-cut and applied to a plurality of pad wires or an insulating layer by forming a plurality of bumps between the plurality of pad wires, thus preventing a damage to the pad wires or the insulating layer. | 10-29-2015 |