Patent application number | Description | Published |
20130271441 | METHOD OF DRIVING A DISPLAY DEVICE - A method of driving a display device includes a preliminary frame charging step and a main frame charging step. The method comprises a preliminary frame charging step of simultaneously charging liquid crystal cells in a pixel line group having a selected pixel row and a unselected pixel row with pixel data of the selected pixel row of the pixel line group and a main frame charging step of charging liquid crystal cells in the unselected pixel line group with pixel data of the unselected pixel line group. | 10-17-2013 |
20140168281 | METHOD OF DRIVING DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of driving a liquid crystal display panel including a liquid crystal cell connected to a data line and a gate line includes: outputting a data signal to the data line; outputting a plurality of gate clock signals; and outputting a gate signal to the gate line based on the gate clock signals. Here, an interval between rising edges of the gate signals adjacent to each other is increased as a distance between the liquid crystal cell receiving the gate signal and a data driving part outputting the data signal increases. | 06-19-2014 |
20150022512 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device and a driving method thereof are disclosed. In one aspect, the display device includes a display panel including a plurality of pixel rows, a data driver configured to transfer data voltages to the display panel, a gate driver configured to transfer gate signals to the display panel, and a signal controller configured to control the data driver and the gate driver. The pixel rows are divided into i (i is a natural number of 2 or more) pixel row groups including a plurality of pixel rows, respectively. The display panel displays one still image for one frame set including the i sequential frames, and each of the i pixel row groups is charged by receiving the data voltage for each frame of the frame set, and the frames in which the i pixel row groups are charged are different from each other. | 01-22-2015 |
20150145852 | DISPLAY DEVICE - A display device with a timing controller is disclosed. In one aspect the display includes first and second gate drivers, first and second gate lines extending in first and second directions from the first and second gate drivers, data lines extending in a third direction, a display panel including pixels connected to the first and second gate lines and the data lines, data driving circuits each driving corresponding data lines in response to an output start signal and a data signal, and a timing controller. The timing controller sets an output timing of the data signals according to a distance in the first direction between the first gate driver and the data driving circuits when the first gate lines are driven and sets an output timing of the data signals according to a distance in the second direction between the second gate driver and the data driving circuits when the second gate lines are driven. | 05-28-2015 |
20150194119 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device and a driving method thereof is disclosed. In one aspect, the display device includes: a display panel including a plurality of pixels, a plurality of gate lines arranged in a column direction, and a plurality of data lines intersecting the plurality of gate lines; a data driver transferring data voltages to the plurality of data lines; a gate driver transferring gate signals to the plurality of gate lines; and a signal controller controlling the data driver and the gate driver. The signal controller includes: a vertical boundary detector determining whether a first pixel among the plurality of pixels is positioned in the vicinity of a boundary region of an image pattern based on an input image signal for the first pixel; and a first adjuster adjusting an image signal of the first pixel based on an image signal of a second pixel positioned in a row previous to the first pixel and the image signal of the first pixel to output an adjusted image signal, in the case in which it is determined by the vertical boundary detector that the first pixel is positioned in the vicinity of the boundary region of the image pattern. | 07-09-2015 |
20160093258 | DATA DRIVER AND DISPLAY APPARATUS INCLUDING THE SAME - A data driver includes a digital-to-analog converter, a control signal output circuit, and an output buffer. The digital-to-analog converter generates first data voltages and second data voltages based on image data and a polarity control signal. Each first data voltage has a positive polarity, and each second data voltage has a negative polarity. The control signal output circuit outputs a first output control signal and a second output control signal based on the polarity control signal. A phase of the second output control signal is different from a phase of the first output control signal. The output buffer outputs the first data voltages based on the first output control signal and outputs the second data voltages based on the second output control signal. | 03-31-2016 |
20160104445 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of driving a display panel includes comparing a previous line data and a present line data to generate a charge sharing enable (EQ) signal indicating whether or not a charge sharing is to be applied to a pixel; selectively applying the charge sharing to the present line data utilizing a charge sharing voltage according to the EQ signal to generate a data voltage; and outputting the data voltage to the pixel. | 04-14-2016 |
20160118001 | ADAPTIVE BLACK CLIPPING CIRCUIT, DISPLAY DEVICE INCLUDING THE SAME AND ADAPTIVE BLACK CLIPPING METHOD - An adaptive black clipping circuit in a display device includes a data corrector, a register, a pattern detector and a clipping selector. The data corrects input image data to generate corrected image data such that the corrected image data is equal to or greater than a black clipping value where the black clipping value corresponds to the input image data having a grayscale value of zero and the black clipping value is greater than zero. The register stores and provides configuration data. The pattern detector generates a pattern detection signal based on the input image data corresponding to a plurality of rows. The clipping selector selects one of the corrected image data and the configuration data in response to the pattern detection signal to provide output image data. | 04-28-2016 |