Patent application number | Description | Published |
20120242654 | METHOD OF CONTROLLING LIQUID CRYSTAL SHUTTER GLASSES AND DISPLAY SYSTEM FOR PERFORMING THE SAME - A method of controlling liquid crystal (LC) shutter glasses includes: generating a three-dimensional (3D) stereoscopic image synchronization signal based on left eye image data and right eye image data; generating left eye shutter control data and right eye shutter control data synchronized with the 3D stereoscopic image synchronization signal, where the left eye shutter control data and the right eye shutter control data are in digital form; modulating the left eye shutter control data and the right eye shutter control data to generate a shutter control signal; and controlling the LC shutter glasses based on the shutter control signal. | 09-27-2012 |
20120293495 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE METHOD - A method of driving a display panel includes outputting a data voltage of a first-eye data frame to a plurality of data lines of the display panel in a first normal frame, and outputting a partial line data voltage of the first-eye data frame to a first partial line of the plurality of data lines of the display panel in a first partial frame, where a polarity of the partial line data voltage of the first-eye data frame in the first partial frame is substantially the same as a polarity of the data voltage of the first-eye data frame outputted to the first partial line of the plurality of data lines in the first normal frame, and where an interval of the first partial frame is less than an interval of the first normal frame. | 11-22-2012 |
20130027379 | DISPLAY DEVICE AND A DRIVING METHOD THEREOF - A display device including a display panel, a gate driver, a data driver and a signal controller. The display panel includes gate lines and data lines, the gate driver is connected to the gate lines, the data driver is connected to the data lines and the signal controller controls the display panel, the gate driver, and the data driver. The signal controller includes a timing controller and a low voltage differential signaling (LVDS) receiving unit. The timing controller includes a frame memory. The display device further includes an analog-to-digital (AD) board including an LVDS transmission unit, wherein the LVDS transmission unit transmits a signal identifying a stopped image or a moving image to the LVDS receiving unit, and in response to the signal identifying the stopped image, the signal controller maintains the display of the same image on the display panel by using the frame memory. | 01-31-2013 |
20130038621 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - The present invention provides a display device with reduced power consumption and that reduces changes in luminance, and perceptibility of flicker, and a driving method thereof. A display device according to an exemplary embodiment comprises: a display panel configured to display a still image and a motion picture; a signal controller configured to control signals for driving the display panel; and a graphics processing unit configured to transmit input image data to the signal controller, wherein the signal controller comprises a frame memory configured to store the input image data, and the display panel is driven at a first frequency when the motion picture is displayed and the display panel is driven at a second frequency that is lower than the first frequency when the still image is displayed. | 02-14-2013 |
20130038639 | DISPLAY DEVICE AND A DRIVING METHOD THEREOF - A display device including a display panel displaying a still image and a moving image and a signal controller controlling signals to drive the display panel, wherein the signal controller includes a frame memory storing image data of the still image and providing the image data to the display panel, and the display panel is driven with a first scan ratio when displaying the moving image and is driven with a second scan ratio that is lower than the first scan ratio when displaying the still image. | 02-14-2013 |
20130057565 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - In order to reduce power consumption of a display device when a still picture is to be displayed, a display area of the device is subdivided into a plurality of Still Picture Refresh Groups (SPRGoP's), with each SPRGoP consisting of n pixels. All n of the pixels are charged in every one of sequential frames when a motion picture mode is in effect. Less than all of the n pixels of each SPRGoP are refreshed in each frame of an N-frame refresh cycle when a still picture mode is in effect. Different schemes for cycling through the n pixels of each SPRGoP are disclosed. | 03-07-2013 |
20130076760 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes: a display panel displaying a still image and a motion picture; a display panel which displays a still image and a motion picture; a signal controller which controls signals to drive the display panel; and a graphics processing unit which transmits input image data to the signal controller, where the signal controller includes a frame memory which stores compressed image data generated by compressing the input image data, and a mixer which mixes compression recovered image data generated by recovering the compressed image data and the input image data to generate mixed image data. | 03-28-2013 |
20130100122 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME - Provided is a method of driving a display panel, including: outputting first data voltages representing a left-eye image or a right-eye image to first signal lines among a plurality of signal lines of the display panel during a first period of a frame for rendering the left-eye or right-eye image of a three-dimensional (3D) image; outputting second data voltages representing the left-eye image or right-eye image for second signals among the plurality of signal lines of the display panel during a second period of the frame for rendering the left-eye or right-eye image of the 3D image; and stopping the data voltages from being outputted to the display panel during a third period of the frame. | 04-25-2013 |
20130106895 | DISPLAY DEVICE AND DRIVING METHOD THEREOF | 05-02-2013 |
20130113811 | DISPLAY DEVICE AND METHOD FOR DRIVING THE DISPLAY DEVICE - A display device includes a display panel for displaying a still image and for displaying a motion picture. The display panel includes a gate line, a data line, a storage electrode line, a first switching element connected to the gate line and the date line, a storage connected to the switching element and the storage electrode line. The display device further includes a signal controller for providing controlling signals to drive the display panel. The display panel is driven at a first frequency when the motion picture is displayed. The display panel is driven at a second frequency lower than the first frequency when the still image is displayed. When the display panel is driven at the second frequency, a common voltage inputted to the storage electrode line changes. | 05-09-2013 |
20130135267 | METHOD OF DRIVING DISPLAY PANEL AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A display apparatus includes a display panel, a data driving part, and a timing control part. The display panel includes gate lines extending in a first direction, data lines extending in a second direction crossing the first direction, and first and second pixel groups. The first and second pixel groups are disposed at opposing sides of a data line and are alternately connected to the data line. The data driving part includes channels connected to the data lines. The channels output a data signal to the data lines, the data signal has a first polarity or a second polarity, and the second polarity has an inversed phase to the first polarity. The timing control part outputs a data inverse control signal and first and second polarity control signal, which control the polarity of the data signal based on the data inverse control signal. | 05-30-2013 |
20130135283 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a display panel including a plurality of pixels, a data driver which transmits data voltages to the plurality of pixels, and a signal controller which receives an input image signal and an input control signal to control the data driver, where the signal controller calculates a ratio of a first type of pattern in a image based on the input image signal, generates a polarity signal based on the ratio of the first type of pattern, and transmits the polarity signal to the data driver. | 05-30-2013 |
20130135330 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes a display panel having gate lines and data lines, a signal controller driving the display panel, a graphic processing unit transmitting input image data to the signal controller, a gate driver driving the gate lines, and a data driver driving the data lines. The display panel is driven at a first frequency when displaying a moving image and driven at a lower frequency when displaying a still image. The signal controller includes a frame memory storing the input image data, a calculator calculating a representative value of image data stored in the frame memory, a line memory storing the representative value, and a kick-back corrector generating auxiliary image data by correcting the representative value according to a kick-back voltage. The data driver applies an auxiliary voltage corresponding to the auxiliary image data to the data lines in a vertical blank period when displaying the still image. | 05-30-2013 |
20130141473 | METHOD OF DRIVING DISPLAY PANEL, METHOD OF DISPLAYING THREE-DIMENSIONAL STEREOSCOPIC IMAGE AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of driving a display panel includes: applying a data signal to the display panel during a sub-active interval based on a data enable signal, and blocking the data signal applied to the display panel during the sub-blanking interval. In such an embodiment, the data enable signal is activated during the sub-active interval and deactivated during the sub-blanking interval, a frame is divided into a plurality of sub-frames, and each of the sub-frames is divided into the sub-active interval and the sub-blanking interval. | 06-06-2013 |
20130215094 | DISPLAY DEVICE AND RELATED METHOD - A display device includes a display panel that includes a first pixel and a second pixel, the first pixel being associated with a positive pixel voltage relative to a data voltage and being associated with a first leakage current, the second pixel being associated with a negative pixel voltage relative to the data voltage and being associated with a second leakage current. The display device further includes a gate driver for providing a first gate-off voltage having a first value to at least one of the first pixel and the second pixel, the first value being in a range determined based on an equality-enabling value, wherein a value of the first leakage current is equal to a value of the second leakage current if the first gate-off voltage having the equality-enabling value is provided to the at least one of the first pixel and the second pixel. | 08-22-2013 |
20140015820 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A method to drive a display device includes: transmitting at least one data voltage to one or more of a plurality of data lines, scanning one or more of a plurality of gate lines to enable transmission of a gate signal in association with a first frame of a first hold section of a first still image section associated with display of a still image, and scanning one or more of the plurality of gate lines to enable transmission of the gate signal every frame of a first refresh section. The first still image section comprises the first refresh section. | 01-16-2014 |
20140307003 | DISPLAY DEVICE - A display device includes: a display panel configured to display an image; and a signal controller configured to control signals to drive the display panel. The signal controller includes: an image data converter configured to convert image data of “m” bits into image data of “n” bits; a gray voltage generator configured to generate a gray voltage corresponding to the image data of “n” bits; a control signal generator configured to generate a gate control signal; and a luminance change controller configured to control a luminance change period of an image displayed via the display panel to be greater than or equal to one second. | 10-16-2014 |