Patent application number | Description | Published |
20110090443 | LIQUID CRYSTAL DISPLAY - The present invention relates to a liquid crystal display. The liquid crystal display includes a first substrate and a second substrate facing each other; a liquid crystal layer interposed between the first substrate and the second substrate; a sealant coupling the first substrate and the second substrate and enclosing the liquid crystal layer; a display signal line arranged on the first substrate and including an end portion; and a first spacer disposed between the end portion of the display signal line and the sealant. The liquid crystal layer includes liquid crystal molecules exhibiting a pretilt alignment with respect to the first and second substrates. | 04-21-2011 |
20120062523 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display, the liquid crystal display comprises a plurality of gate lines which includes a first gate line, a transformation gate line, and a second gate line; a data line; and a pixel, wherein the pixel includes a first liquid crystal capacitor which includes a first sub-pixel electrode and a common electrode and a second liquid crystal capacitor which includes a second sub-pixel electrode and a common electrode; a first switching element connected to the first gate line, the data line, and the first sub-pixel electrode; a second switching element connected to the first gate line, the data line, and the second sub-pixel electrode; a third switching element connected to the transformation gate line and the second switching element; a transformation capacitor which includes a first terminal connected to the second gate line and a second terminal connected to the third switching element; and a first period where a gate-on voltage Von is applied to the first gate line and a second period where the gate-on voltage Von is applied to the transformation gate line do not overlap each other and, a gate-off voltage Voff is applied to the second gate line during the second period. | 03-15-2012 |
20120105398 | GATE DRIVING CIRCUIT AND DISPLAY APPARATUS HAVING THE SAME - Provided is a gate driving circuit including cascade-connected stages that output gate signals. An n-th one of the stages (ānā is a natural number) includes a pull-up part, a pull-up controller, a first pull-down part, a second pull-down part, and a pull-down controller. The pull-up part outputs a first clock signal as an output signal of the n-th stage. The pull-up controller selectively applies first and second powers to a control electrode of the pull-up part. The first pull-down part pulls down a voltage applied to the control electrode of the pull-up part to an off voltage. The second pull-down part pulls down a voltage applied to an output electrode of the pull-up part to the off voltage. The pull-down controller selectively applies the first and second powers to control electrodes of the first and second pull-down parts. | 05-03-2012 |
20120181539 | THIN FILM TRANSISTOR ARRAY PANEL - The present invention relates to a thin film transistor array panel including: a substrate; gate lines formed on the substrate; and a gate driver formed on the substrate to apply gate signals to the gate lines. The gate driver includes a first wire and a second wire to transmit different signals, and at least one of the first wire and the second wire includes a static electricity preventing structure to prevent static electricity from accumulating between the first wire and the second wire. | 07-19-2012 |
20120328188 | METHOD AND APPARATUS FOR DETECTING AND COMPENSATING FOR BACKLIGHT FRAME - A method and apparatus for detecting and compensating for a backlight frame are provided. The method includes receiving data regarding a current frame comprising pixels that are expressed by a luminance component and one or more chrominance components; and determining whether the current frame is a backlight frame based on values of the one or more chrominance components of the pixels. | 12-27-2012 |
20130135572 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes upper and lower pixels; gate lines in electrical connection with the adjacent pixels and extending in a row direction, and data lines which cross the gate lines; and a reference voltage line including a vertical portion which passes through the adjacent pixels, and horizontal portions which alternately extend from the vertical portion. Each of the adjacent pixels includes first and second thin film transistors (TFTs) each in electrical connection with a gate line and a data line which correspond to a respective pixel; and a pixel electrode including a first subpixel electrode in connection with an output terminal of the first TFT, and a second subpixel electrode in connection with an output terminal of the second TFT. The horizontal portions of the reference voltage line are in electrical connection with the second subpixel electrodes of the adjacent pixels. | 05-30-2013 |
20130208206 | THIN FILM TRANSISTOR ARRAY PANEL AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A thin film transistor array panel includes a first substrate; a gate line and a data line on the first substrate; a storage electrode line on the first substrate where a constant voltage is applied thereto; a first thin film transistor and a second thin film transistor which are connected to the gate line and the data line; a third thin film transistor which is connected to the gate line, the second thin film transistor and the storage electrode line; a first subpixel electrode which is connected to the first thin film transistor; and a second subpixel electrode which is connected to the second thin film transistor. | 08-15-2013 |
20130308296 | TOP CHASSIS ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A top chassis assembly includes a top chassis and a contact unit. The top chassis surrounds a non-display area of a display panel. The non-display area includes a pad part through which a signal is provided to the display panel. The contact unit is disposed at an inner surface of the top chassis and contacts the pad part on the non-display area of the display panel. | 11-21-2013 |
20140286575 | IMAGE PROCESSING METHOD AND APPARATUS FOR IMPROVING DETAIL OF IMAGE - Exemplary embodiments disclose an image processing method which includes obtaining a binary value by quantizing a value obtained by summing at least one pixel value of an input image and a quantization error value of a neighboring pixel; determining a pixel in which a detail intensity is to be inserted according to the binary value of each pixel; determining the detail intensity to be inserted in the determined pixel; and inserting the determined detail intensity in the determined pixel, wherein the quantization error value of the neighboring pixel is a difference value between an original pixel value of the neighboring pixel and a pixel value quantized with respect to a predetermined constant value. | 09-25-2014 |
20140307193 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display, the liquid crystal display comprises a plurality of gate lines which includes a first gate line, a transformation gate line, and a second gate line; a data line; and a pixel, wherein the pixel includes a first liquid crystal capacitor which includes a first sub-pixel electrode and a common electrode and a second liquid crystal capacitor which includes a second sub-pixel electrode and a common electrode; a first switching element connected to the first gate line, the data line, and the first sub-pixel electrode; a second switching element connected to the first gate line, the data line, and the second sub-pixel electrode; a third switching element connected to the transformation gate line and the second switching element; a transformation capacitor which includes a first terminal connected to the second gate line and a second terminal connected to the third switching element; and a first period where a gate-on voltage Von is applied to the first gate line and a second period where the gate-on voltage Von is applied to the transformation gate line do not overlap each other and, a gate-off voltage Voff is applied to the second gate line during the second period. | 10-16-2014 |
20140314317 | METHOD AND APPARATUS FOR CONVERTING GRAY LEVEL OF COLOR IMAGE - A method and apparatus for converting a gray level of a color image are provided. The method of converting the gray level includes determining an intermediate RGB value which corresponds to an input RGB value of the color image, based on color mapping information in which target RGB values, mapped to the gray levels of the color image, are preset; determining whether the input RGB value is included in a gray region or a color region, based on a gray variation of the input RGB value; and, if the input RGB value is determined to be included in the gray region, converting the input RGB value by using the intermediate RGB value. | 10-23-2014 |
20140347591 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes upper and lower pixels; gate lines in electrical connection with the adjacent pixels and extending in a row direction, and data lines which cross the gate lines; and a reference voltage line including a vertical portion which passes through the adjacent pixels, and horizontal portions which alternately extend from the vertical portion. Each of the adjacent pixels includes first and second thin film transistors (TFTs) each in electrical connection with a gate line and a data line which correspond to a respective pixel; and a pixel electrode including a first subpixel electrode in connection with an output terminal of the first TFT, and a second subpixel electrode in connection with an output terminal of the second TFT. The horizontal portions of the reference voltage line are in electrical connection with the second subpixel electrodes of the adjacent pixels. | 11-27-2014 |
20150016721 | IMAGE-QUALITY IMPROVEMENT METHOD, APPARATUS, AND RECORDING MEDIUM - An image-quality improvement method is provided. The image-quality improvement method includes detecting an area of interest from an input image; generating a color distribution map based on a plurality of respective brightness elements and a plurality of respective chroma elements of a plurality of pixels which belong to a predetermined color series and which are in the detected area of interest of the input image; determining a first area, which belongs to the predetermined color series, and a second area, which is an area of the input image other than the first area, according to the color distribution map; and changing values of a plurality of pixels in at least one of the first area and the second area. | 01-15-2015 |