Patent application number | Description | Published |
20080238858 | BACKLIGHT UNIT, DISPLAY APPARATUS AND CONTROL METHOD THEREOF - A display apparatus includes: a display panel; a light source unit which comprises a light source and has a plurality of division areas which are separated and independently driven each other, and is located at the back of the display panel; a drive unit which supplies drive power for the light source unit; and a light source controller which controls the drive unit so that the drive power can be supplied sequentially to the division areas which are divided in a first direction, in synchronization with a scanning period for which one frame of an image signal is displayed, and a lighting period of the division areas can be changed according to the kind of the image signal which is displayed on the display panel. | 10-02-2008 |
20080273140 | BACKLIGHT UNIT DRIVING APPARATUS AND METHOD THEREOF - A backlight unit driving apparatus is provided. The backlight unit driving apparatus includes a plurality of flash lamps at a backlight unit to supply light to a liquid crystal panel, supplies voltage necessary for discharge, and supplies a discharge initiating voltage so that the flash lamps can emit lights in a sequential order. Accordingly, motion picture characteristics improve, and good screen brightness is maintained. | 11-06-2008 |
20090244112 | DISPLAY APPARATUS AND METHOD THEREOF - A display apparatus and method thereof are provided in order to provide a high quality image. The display apparatus includes a driving unit which drives light sources, and a controller which controls the driving unit. Therefore, it is possible to reduce motion blur and flicker and maximize the gray level difference, so that a user may be provided with a clear image. | 10-01-2009 |
20110013098 | DISPLAY APPARATUS AND TELEVISION - A display apparatus and a television are provided. The display apparatus includes a display panel which is divided into display areas; a plurality of light guide plates which output light to the display areas of the display panel; and a plurality of light sources, each of which generates light to be inputted into a lateral side of a respective one of the light guide plates, and is arranged corresponding to the lateral side of the respective light guide plate. The plurality of light sources may be arranged such that among the light sources arranged corresponding to the lateral side of one of the light guide plates, a first illumination direction of some of the light sources is different from a second illumination direction of others of the light sources. | 01-20-2011 |
20110018882 | 3-DIMENSIONAL IMAGE PROVIDING AND RECEIVING APPARATUSES, 3-DIMENSIONAL IMAGE PROVIDING AND RECEIVING METHODS USING THE SAME, AND 3-DIMENSIONAL IMAGE SYSTEM - A 3-dimensional image providing and receiving apparatus, 3-dimensional image providing and receiving methods using the same, and a 3-dimensional image system are provided. A 3-dimensional image receiving apparatus includes a phase conversion unit which converts phases of alternately output image signals, and a control unit which alternately blocks the image signals having the converted phases. Therefore, a viewer can view a 3-dimensional image output by a display apparatus having a polarization property without inconvenience in any positions. | 01-27-2011 |
20110050865 | DISPLAY APPARATUS AND DRIVING METHOD THEREOF - Disclosed are a display apparatus and a driving method thereof. The display apparatus includes: a video processor which processes an input video signal including a left-eye image and a right-eye image; a display unit which displays an image based on the video signal processed by the video processor; a backlight unit which emits light to the display unit; and a controller which controls at least one of the display unit and the backlight unit so that a margin period between a scan of the left-eye image and a scan of the right-eye image corresponds to a period during which the left shutter and the right shutter are shifted between opened and closed states. | 03-03-2011 |
20110090308 | DISPLAY APPARATUS AND IMAGE PROCESSING METHOD THEREOF - A display apparatus and an image processing method thereof are disclosed. A display apparatus includes a display unit; a signal processor which classifies an image comprising a left eye image and a right image into one of a first image and a second image according to a predetermined brightness level, generates at least two sub frames including a white frame if the image is classified into a first image, generates at least two sub frames comprising a black frame if the image is classified into a second image, and outputs the generated sub frames to the display unit. A signal transmitter outputs, to external shutter glasses, a control signal corresponding to the left eye image and the right eye image. | 04-21-2011 |
20110102306 | BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME - Disclosed is a display apparatus. The display apparatus includes: an image receiver configured to receive an image signal; an image processor configured to process the image signal received by the image receiver; a display panel configured to display an image based on the image signal processed by the image processor; a plurality of light guide plates configured to output light to corresponding display regions of the display panel; and a light source module configured to generate the light toward side surfaces of the light guide plates, wherein the light source module includes a plurality of light sources, coupled to the side surfaces of the light guide plates, to generate and transmit the light toward the respective light guide plates at corresponding positions of the side surfaces of the light guide plates which are changed from prior positions according to bends of the light guide plates. | 05-05-2011 |
20110102452 | DISPLAY APPARATUS AND BACKLIGHT ASSEMBLY AND IMAGE PROCESSING METHOD THEREOF - A display apparatus, backlight assembly and method for displaying an image is capable of compensating for non-uniformity of a light guiding plate. The display apparatus includes a liquid crystal display (LCD) panel on which an image is displayed; a light guiding unit which is placed adjacent to the LCD panel and includes a plurality of light guide plates for guiding incident light to the LCD panel; a plurality of light emitting diode (LED) modules which are individually arranged at least one lateral side of the plurality of light guide plates and which emit light to the other lateral sides, respectively; and a video processor which changes brightness of an image displayed on a compensation area of the LCD panel that corresponds to an edge region of the light guide plate to compensate brightness at the edge region. The non-uniformity of the divided light guide plates is reduced. | 05-05-2011 |
20110149054 | 3D GLASSES, METHOD FOR CONTROLLING 3D GLASSES, AND METHOD FOR CONTROLLING POWER APPLIED THERETO - Three-dimensional (3D) glasses, a method for controlling 3D glasses, and a method for controlling an on/off operation of the 3D glasses are provided. The 3D glasses rotate a glass unit based on sensed motion information to maintain a polarization direction of the glass unit in a particular direction. Therefore, a user may view 3D images in various positions. In addition, a user manages the on/off operation of the 3D glasses using the sensed motion information, thereby conveniently viewing 3D images in various positions. | 06-23-2011 |
20110164123 | 3D GLASSES DRIVING METHOD AND 3D GLASSES AND 3D IMAGE PROVIDING DISPLAY APPARATUS USING THE SAME - A 3D glasses driving method for driving 3D shutter glasses and 3D glasses and a 3D display apparatus using the same, the 3D glasses driving method including: receiving a sync signal from an external device; determining a duty of a driving signal which opens a left eye glass and a right eye glass of the 3D shutter glasses; and opening and closing the left eye glass and the right eye glass of the 3D shutter glasses alternately based on the sync signal and the determined duty. Accordingly, the user is able to watch the 3D image in a descried brightness without experiencing a crosstalk phenomenon. | 07-07-2011 |
20110234086 | FIELD EMISSION DEVICE - A field emission device includes: a first substrate on which a gate electrode line, a cathode line, and an electron emission source are formed; a second substrate disposed to face the first substrate, and on which an anode and a phosphor layer are formed; and a side frame surrounding an area between the first substrate and the second substrate, and forming a sealed internal space, wherein the first substrate and the second substrate respectively comprise a first protrusion part and a second protrusion part that protrude outside the side frame in the same direction, wherein a rear terminal part for applying a voltage to the gate electrode line and the cathode line is formed on the first protrusion part, wherein an anode terminal for applying a voltage to the anode is formed on the second protrusion part. | 09-29-2011 |
20110279450 | THREE DIMENSIONAL (3D) IMAGE DISPLAY APPARATUS, AND DRIVING METHOD THEREOF - A three dimensional (3D) image display apparatus is provided. The 3D image display apparatus includes an image input unit which receives a 3D image, an image processing unit which divides the input 3D image into a left-eye image and a right-eye image and processes the left and right-eye images, an image output unit which comprises one sheet of polarization film which is capable of switching a direction of polarization, to provide a different direction of polarization with respect to the left and right-eye images being displayed, by switching the direction of polarization of the polarization film, and a control unit which controls the image output unit so that the left and right-eye images processed at the image processing unit are time-divided and displayed alternately. As a result, 3D images are represented conveniently. | 11-17-2011 |
20120069161 | 3D GLASSES AND 3D DISPLAY APPARATUS USING IR SIGNAL AND RF SIGNAL - Three dimensional (3D) glasses and a 3D display apparatus are provided. The 3D glasses receive a sync signal from the 3D display apparatus through at least one of an infrared signal and a radio frequency signal. | 03-22-2012 |