Patent application number | Description | Published |
20090310339 | BACKLIGHT UNIT FOR LIQUID CRYSTAL DISPLAY DEVICE - Provided is a backlight unit for a liquid crystal display device. The backlight unit includes: a chassis; a printed circuit board connected to a side of the chassis, the printed circuit board including a plurality of light emitting diodes, and a pair of conductive pads through which power is supplied to the light emitting diodes, wherein the pair of conductive pads are disposed on an end of the printed circuit board; and a power socket into which the pair of the conductive pads are inserted. | 12-17-2009 |
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 |
20110102422 | TWO-DIMENSIONAL/THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A display apparatus which displays two-dimensional (2D) and three-dimensional (3D) images and a method of driving the same. In the 2D/3D image display apparatus, an image signal input unit inputs, to a display panel, a left image signal, a left inversion image signal, at least one 2D image signal, a right image signal and a right inversion image signal, a left shutter of shutter glasses is open in synchronization with the left image signal, a right shutter of the shutter glasses is open in synchronization with the right image signal, and the left shutter and the right shutter of the shutter glasses are closed in synchronization with the left inversion image signal, the at least one 2D image signal, and the right inversion image signal. | 05-05-2011 |
20110148863 | 3D DISPLAY DRIVING METHOD AND 3D DISPLAY APPARATUS USING THE SAME - A method for driving a 3D display and a display apparatus using the same are provided. The display apparatus includes a storage unit to store a received image and a controlling unit to drive a display by adjusting the brightness value using a first look-up table when the previous frame is different from the current frame and adjusting the brightness value using a second look-up table when the previous frame is the same as the current frame. According to the exemplary embodiment, an overdrive method may be applied to a 3D image display apparatus effectively. | 06-23-2011 |
20110148943 | METHOD FOR DRIVING THREE-DIMENSIONAL (3D) DISPLAY AND 3D DISPLAY APPARATUS USING THE SAME - A method for driving a three dimensional (3D) display and a 3D display apparatus using the same are provided. The 3D display apparatus includes a storage unit which stores a received image; and a controller which compares a previous frame of the received image with a current frame of the received image, and determines whether or not to input an image of the current frame to a liquid crystal panel based on whether the previous frame is identical to the current frame. Therefore, a method for driving a 3D display which does not cause characteristics of a liquid crystal to be deteriorated and a 3D display apparatus using the same are provided. | 06-23-2011 |
20110157165 | METHOD AND APPARATUS FOR DISPLAYING 3-DIMENSIONAL IMAGE AND METHOD AND APPARATUS FOR CONTROLLING SHUTTER GLASSES - An image display method includes alternately receiving left and right images of a 3D image; and turning on a backlight such that the backlight is on only in periods when the left images are displayed or only in periods when the right images are displayed. A method of controlling shutter glasses separately for left and right images of a three-dimensional (3D) image includes alternately receiving the left and right images of the 3D image; and opening two shutters of the shutter glasses only in periods when the left images are received or only in periods when the right images are received. | 06-30-2011 |
20110193897 | METHOD AND APPARATUS FOR CONTROLLING THE PARTITIONS OF A BACKLIGHT UNIT OF A 3D DISPLAY APPARATUS - A method and apparatus for controlling a backlight unit of a three-dimensional (3D) display apparatus receiving a 3D video sequence is provided. The method includes determining the image brightness level of the 3D video sequence displayed on a liquid crystal display (LCD) unit, for each of a plurality of partial regions of the LCD unit to which a plurality of sub-blocks of the backlight unit emit light; determining turn-on times of the plurality of sub-blocks of the backlight unit, based on the image brightness of each of the partial regions of the LCD unit; and determining turn-on periods of the plurality of sub-blocks of the backlight unit by synchronizing with a switching period between a set including a left visual point frame and a right visual point frame of the 3D video sequence. | 08-11-2011 |
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 |
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 |
20150015828 | TRANSFLECTIVE IMAGE DISPLAY APPARATUS AND CONTROL METHOD THEREOF - A transflective image display apparatus includes a transmissive polarizing plate; a color filter disposed below the transmissive polarizing plate and including a white color filter and at least two of a red color filter, a green color filter, and a blue color filter; a liquid crystal display panel disposed below the color filter; an electrical polarization control unit disposed below the liquid crystal display panel; a reflective polarizing plate disposed below the electrical polarization control unit; a backlight unit disposed below the reflective polarizing plate and including a white light source and a light source configured to emit light corresponding to at least one of the red color filter, the green color filter, and the blue color filter; and a controller configured to control the liquid crystal display panel, the electrical polarization control unit, and the backlight unit periodically in at least two states according to a predetermined condition. | 01-15-2015 |