| Patent application number | Description | Published |
|---|
| 20100156965 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display is disclosed. The liquid crystal display includes a liquid crystal display panel; a backlight unit; a panel drive circuit; a timing controller; a data stretching unit that modulates an internal video signal using a data stretching curve determined depending on a brightness of the internal video signal for a self-screen drive; an internal memory; a self-screen drive controller; a scaler unit; a selection unit; an internal power circuit; an external power circuit; and a microprocessor that blocks an output of the external power circuit from being supplied to the scaler unit in the self-screen drive. | 06-24-2010 |
| 20110273439 | IMAGE DISPLAY DEVICE AND DRIVING METHOD THEREOF - A method of driving an image display device comprises inserting a reset frame displaying black data between neighboring data frames alternately displaying left-eye data and right-eye data; reflecting gray-scale information of an (n−2)th data frame in a reset frame corresponding to an (n−1)th frame through a predetermined data calculating operation; detecting a data variation between the (n−1)th reset frame and an nth data frame, reading a compensation value corresponding to the detection result from a lookup table, and modulating input data of the nth data frame using the read compensation value; and inverting the polarity of the modulated data according to N frame inversion (N is a multiple of 4) and applying the data having the inverted polarity to a display panel. | 11-10-2011 |
| 20110273440 | STEREOSCOPIC IMAGE DISPLAY AND METHOD FOR DRIVING THE SAME - A stereoscopic image display and a method for driving the same are disclosed. The stereoscopic image display includes a display panel displaying a two-dimensional (2D) image data in a 2D mode and displaying a three-dimensional (3D) image data in a 3D mode, a gamma reference voltage generating circuit that generates first gamma reference voltages and second gamma reference voltages different from the first gamma reference voltages, outputs the first gamma reference voltages in the 2D mode, and outputs the second gamma reference voltages in the 3D mode, and data driver that converts the 2D image data into the first gamma reference voltages in the 2D mode and converts left eye image data and right eye image data into the second gamma reference voltages in the 3D mode. | 11-10-2011 |
| 20110273463 | IMAGE DISPLAY DEVICE AND DRIVING METHOD THEREOF - The present application relates to method of driving an image display device comprising inserting a black data frame displaying black data between neighboring data frames alternately displaying left-eye data and right-eye data; comparing an nth frame corresponding to a current frame and an (n−2)th frame corresponding to a previous frame with each other when the data frames are input, reading a compensation value according to the comparison result from a lookup table and modulating input data of the nth frame using the read compensation value to output a modulated data; and bypassing data corresponding to the black data without modulating the data when the black data is input to output a bypass data, the application also relates to said image display device. | 11-10-2011 |
| 20110273480 | STEREOSCOPIC IMAGE DISPLAY AND METHOD FOR DRIVING THE SAME - A stereoscopic image display and a method for driving the same are disclosed. The stereoscopic image display includes a display panel that displays a two-dimensional (2D) image data in a 2D mode and display a three-dimensional (3D) image data in a 3D mode, a backlight unit providing light to the display panel, a backlight controller that reduces a duty ratio of the backlight unit in a 3D mode lower than a duty ratio set in the 2D mode, and increases a forward current supplied to light sources of the backlight unit in the 3D mode greater than a forward current set in the 2D mode, and a light source driver driving the light sources of the backlight unit. | 11-10-2011 |
| 20110310090 | DATA MODULATION METHOD AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A data modulation method comprises, comparing left eye image data during a (4N+1)-th frame period with previous frame data, selecting a preliminary modulation value for a left eye image, preliminarily modulating the left eye image data during the (4N+1)-th frame period to reach the preliminary modulation value for the left eye image, and secondarily modulating left eye image data during a (4N+2)-th frame period to reach the preliminary modulation value for the left eye image or a modulation value smaller than the preliminary modulation value. | 12-22-2011 |
| 20120013601 | STEREOSCOPIC IMAGE DISPLAY AND METHOD OF CONTROLLING BACKLIGHT THEREOF - A stereoscopic image display device comprises a frame rate conversion unit that divides 3D input data into left eye image data and right eye image data, inserts reset frame data containing black grayscale data between the left eye image data and the right eye image data, and generates the (n+1)-th frame data to the (n+4)-th frame data containing the left eye image data, the black grayscale data, the right eye image data, respectively, and the black grayscale data, a look-up table that stores local dimming values used to control brightness for the overall local dimming zones to the minimum during the (n+2)-th and (n+4)-th frame periods, and local dimming values used to control brightness for each local dimming zone to target brightness during the (n+1)-th and (n+3)-th frame periods, and a backlight controller that controls light source brightness of the backlight unit for each local dimming zone. | 01-19-2012 |
| 20120033053 | STEREOSCOPIC IMAGE DISPLAY DEVICE AND DRIVING METHOD THEREOF - A stereoscopic image display device comprises a display panel; a panel driving unit configured to address left eye image data in all pixels of the display panel during a data addressing period set in an N-th (where N is a natural number) frame period and adjust voltages of all the pixels of the display panel to a black grayscale voltage during a black grayscale inserting period set in the N-th frame period, address right eye image data in all the pixels of the display panel during a data addressing period set in a (N+1)-th frame period and adjust voltages of all the pixel of the display panel to the black grayscale voltage during a black grayscale inserting period set in the (N+1)-th frame period; and a controller configured to supply the left eye image data, and the right eye image data to the panel driving unit and control operation timings of the panel driving unit. | 02-09-2012 |
