Patent application number | Description | Published |
20110050742 | BACKLIGHT UNIT, DISPLAY APPARATUS AND METHOD OF CONTROLLING BACKLIGHT UNIT - A backlight unit, a display apparatus, and a method of controlling the backlight unit are provided. The backlight unit includes an image depth information extraction unit configured to extract image depth information from an image signal and a brightness calculator configured to calculate brightnesses corresponding to the image depth information. The backlight unitimproves three-dimensional effects on an image by controlling the brightnesses of light emitting devices according to the brightnesses calculated to correspond to image depth. | 03-03-2011 |
20110050849 | METHOD AND APPARATUS FOR RECEIVING SYNCHRONIZATION SIGNAL AND METHOD AND APPARATUS FOR CONTROLLING OF 3D SHUTTER GLASSES USING THE SAME - An apparatus for receiving a sync signal and an apparatus for controlling a three-dimensional (3D) shutter glass using the same. The apparatus for receiving the synchronization signal includes: a synchronization signal receiver which receives a synchronization signal from a source unit; and a controller which analyzes a period of the received synchronization signal and generates a mode signal according to the analyzed period of the received synchronization to control the synchronization signal receiver, wherein the synchronization signal receiver can be selectively operable to receive the synchronization signal according to the mode signal | 03-03-2011 |
20110057965 | LIQUID CRYSTAL DISPLAY DEVICE INCLUDING EDGE-TYPE BACKLIGHT UNIT AND METHOD OF CONTROLLING THE LIQUID CRYSTAL DISPLAY - A method of controlling a liquid crystal display (LCD) device including an LCD panel and an edge-type backlight unit is provided. The method includes: controlling turn-on and turn-off periods of an upper light source unit and a lower light source unit of the edge-type backlight unit to be synchronized with a period during which a 3D image is output on the LCD panel, wherein the upper light source unit includes a light source disposed at an upper edge of the edge-type backlight unit, and the lower light source unit includes a light source disposed at a lower edge of the edge-type backlight unit. | 03-10-2011 |
20110096105 | METHOD AND APPARATUS FOR COMPENSATING FOR TEMPERATURE VARIATIONS OF A LIQUID CRYSTAL DISPLAY PANEL FOR A 3-DIMENSIONAL DISPLAY - Methods and apparatuses are provided for compensating for a temperature of a liquid crystal display (LCD) panel. The method includes selecting a lookup table corresponding to a detected temperature of the LCD panel from among lookup tables for a 3-dimensional (3D) display of the LCD panel; and adjusting luminance to be output to the LCD panel based on the selected lookup table. | 04-28-2011 |
20110102426 | METHOD OF GENERATING SYNC SIGNAL FOR CONTROLLING 3D GLASSES OF 3D IMAGE SYSTEM, AND METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING THE SYNC SIGNAL - A method of generating a sync signal for controlling three-dimensional (3D) glasses in a 3D image system, methods of transmitting and receiving a 3D glasses control sync signal, and apparatuses for transmitting and receiving the 3D glasses control sync signal are provided. The method of generating a 3D glasses control sync signal includes: generating sync signal start indicator information notifying a start of a 3D glasses control sync signal, state sequence mode information indicating an operating state of the 3D glasses with regard to whether a left glass or a right glass is opened or closed, and sequence duty information indicating a retaining time period of the operating state of the 3D glasses; and generating the 3D glasses controlling signal by combining the generated sync signal start indicator information, the generated state sequence mode information, and the generated sequence duty information according to a set order. | 05-05-2011 |
20110267341 | STEREOSCOPIC DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A stereoscopic display apparatus includes a display panel which scans an image at a frame frequency that is an odd-numbered multiple of a field frequency, an image signal input unit which inputs an image signal to the display panel, a backlight unit which emits light to the display panel, and a shutter controller which controls an opening and a closing of a left eye shutter and a right eye shutter of shutter glasses. | 11-03-2011 |
20110292041 | STEREOSCOPIC DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A stereoscopic display apparatus is provided. The display apparatus includes a display panel for scanning an image alternately at a first frame frequency and a second frame frequency, different from the first frame frequency, an image signal input unit for inputting an image signal to the display panel, a backlight unit for emitting light to the display panel, and a shutter controller for selectively controlling an opening and closing of a left eye shutter and a right eye shutter of shutter glasses. | 12-01-2011 |
20120086712 | 3D DISPLAY PANEL AND 3D DISPLAY APPARATUS USING THE SAME AND DRIVING METHOD THEREOF - A three-dimensional (3D) display panel, a 3D display apparatus using the same, and a driving method thereof are provided. The 3D display apparatus includes: an image display panel which displays an image; a phase shift panel which alternately shifts a polarization direction of light outputted from the image display panel; a backlight unit which provides a backlight; and a control unit which turns off the backlight unit during a crosstalk period where the phase shift panel performs the shift operation and to turn on the backlight unit for a stabilization period after the crosstalk period. | 04-12-2012 |
20120306945 | IMAGE SIGNAL PROCESSING DEVICE FOR SEQUENTIALLY DRIVING A PLURALITY OF LIGHT SOURCES, DISPLAY APPARATUS USING THE IMAGE SIGNAL PROCESSING DEVICE, AND DISPLAY METHOD THEREOF - An image signal processing device, a display apparatus, and a display method are provided. The image signal processing device includes: a light source driver which turns on a plurality of light sources providing different colors, in a given order; a sub-frame calculator which divides a frame of an input image signal into a plurality of sub-frames; a display processor which sequentially outputs the plurality of sub-frames on a display panel; and a sync signal processor which outputs a sync signal to the backlight driver to turn on the plurality of light sources in each of the plurality of sub-frames, in the given order. | 12-06-2012 |
20130076714 | METHOD FOR DRIVING DISPLAY PANEL AND DISPLAY APPARATUS APPLYING THE SAME - A method for driving a display panel and a display apparatus applying the same are provided. The method includes driving all lines of the display panel in a first scanning section of a section to display one frame, and driving one of an even line and an odd line of the display panel in a second scanning section of the section to display the one frame. Accordingly, a crosstalk phenomenon in the display apparatus is removed and image quality of a 3D stereoscopic image is improved. | 03-28-2013 |
20130201416 | GLASS APPARATUS FOR WATCHING POLARIZED IMAGE - A glass apparatus for watching a polarized image is provided. The glass apparatus includes a film unit for double-refracting the polarized image when the glass apparatus is tilted; a sensor unit for detecting a slope of the glass apparatus based on a horizontal plane; a voltage driving unit for applying a driving voltage corresponding to the slope detected by the sensor unit, to a liquid crystal cell; the liquid crystal cell for switching an orientation according to the driving voltage, and changing polarization property of an image passing through the film unit according to the switched orientation; and a polarizer for polarizing the image passing through the liquid crystal cell in a preset polarization direction. | 08-08-2013 |
20130342589 | DISPLAY METHOD AND APPARATUS HAVING A DISPLAY PANEL WITH A BACKLIGHT UNIT UTILIZING WHITE AND BLUE LIGHT SOURCES - A display apparatus is disclosed. The display apparatus includes a panel unit which comprises a plurality of sub pixels having different colors; a backlight unit which provides backlight to the panel unit using a white light source and a blue light source; an image processing unit which converts image data into first color frame data and second color frame data; a panel driving unit which turns on a first color sub pixel according to the first color frame data, and which turns on a second color sub pixel according to the second color frame data; a backlight driving unit for driving the backlight unit; and a control unit which controls the backlight driving unit to consecutively turn on the white light source and the blue light source according to operations of the panel driving unit. Accordingly, brightness may be enhanced. | 12-26-2013 |
Patent application number | Description | Published |
20090046208 | IMAGE PROCESSING METHOD AND APPARATUS FOR GENERATING INTERMEDIATE FRAME IMAGE - Image processing method and apparatus for creating an image of an intermediate frame are provided. The image processing method generates a background image and a first motion image using a current frame and a previous frame, and generates a second motion image of the intermediate frame using either the current frame or the previous frame. Accordingly, it is possible to minimize the interpolation error in the boundary area vulnerable to the motion estimation error. | 02-19-2009 |
20090096931 | IMAGE SIGNAL PROCESSOR AND METHOD THEREOF - An image signal processor and a method thereof are provided. The image signal processor sets the subfields to the intermediate illuminating statuses and moves the subfields according to the motion vectors, to display an image on a plasma display panel (PDP). Accordingly, problems such as pseudo contour, motion blur or rounding error can be prevented, and an image enhancement of a PDP is provided. | 04-16-2009 |
20090096932 | IMAGE SIGNAL PROCESSOR AND METHOD THEREOF - An image signal processor and a method thereof are provided. The image signal processor includes pattern generating unit which divides subfields of a frame of a received image signal into a first group of subfields and a second group of subfields having a symmetrical pattern with one another, and a pattern moving unit which moves the pattern of one of the first group of subfields and the second group of subfields, and outputs the moved pattern. | 04-16-2009 |
20090153671 | IMAGE DISPLAY APPARATUS HAVING POINTING FUNCTION AND METHOD THEREOF - An image display apparatus and method having pointing function are provided. The apparatus includes a picture taking unit for taking a picture of not only visible ray image but also infra ray image, extracts control information to control the image display apparatus from the picture taken, and display the picture taken. therefore, it is possible to operate not only pointing function but also various kinds of function through the image display apparatus. | 06-18-2009 |
20100066820 | METHOD AND APPARATUS FOR DISPLAYING STEREOSCOPIC IMAGE - Provided are methods and apparatuses for displaying a stereoscopic image. The method includes alternately generating repeated left-eye images and repeated right-eye images; turning off a backlight unit during a period in which a left-eye image and a right-eye image are mixed and turning on the backlight unit during a period in which only one of the left-eye and right-eye images is displayed; and controlling a left-eye shutter and a right-eye shutter of shutter glasses during a period in which the backlight unit is turned on. | 03-18-2010 |