| Patent application number | Description | Published |
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| 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 |
| 20080252666 | DISPLAY APPARATUS AND METHOD FOR ADJUSTING BRIGHTNESS THEREOF - A display apparatus and a method for adjusting brightness thereof are provided. The display apparatus includes a panel unit which displays a video signal, a light emitting unit which provides the panel unit with a ray of light and causes the video signal to be visualized, a light emission control unit which controls the light emitting unit so that the ray of light is provided to each of local areas of the panel unit, and a panel control unit which compensates pixels of the video signal in each of local areas, to remove an artifact which is generated due to the ray of light provided to local areas of the panel unit. Because brightness of a screen is adjusted in each of local areas, contrast ratio is enhanced, and improved image quality is provided. | 10-16-2008 |
| 20080303963 | LIQUID CRYSTAL DISPLAY AND CONTROL METHOD THEREOF - A liquid crystal display includes: a pair of liquid crystal shutter glasses; a liquid crystal panel which alternately displays a left image and a right image formed in a predetermined scanning direction according to a predetermined scanning cycle; a glasses controller which outputs a control signal to open and close a left glass and a right glass of the liquid crystal shutter glasses synchronizing with the scanning cycle; a light source unit which supplies light to the liquid crystal panel; and a light source driver which supplies driving power to the light source unit to emit light to the liquid crystal panel in the scanning direction posterior to the left and right images. | 12-11-2008 |
| 20090002400 | DISPLAY APPARATUS AND BRIGHTNESS ADJUSTING METHOD THEREOF - A display apparatus and a brightness adjusting method thereof are provided. The display apparatus includes a panel unit which displays an image signal, a backlight unit which provides a light to the panel unit to visualize the image signal, a luminance value regulator which calculates representative values to be applied for adjusting a brightness of a plurality of partial areas of the backlight unit corresponding to the input image signal, a contrast enhancer which compensates for a brightness of the image signal compromised by the representative value through a contrast enhancement, and a pixel value compensator which compensates for pixel values of the image signal compensated using the contrast enhancement. Accordingly, the contrast ratio of the entire image can be enhanced by compensating for the brightness loss of the image signal caused from the brightness adjustment of the luminous element, and the image quality can be more finely improved. | 01-01-2009 |
| 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 |
| 20090256812 | DISPLAY APPARATUS AND CONTROL METHOD OF THE SAME - A display apparatus includes a display panel having a light emitting device, a sensor which senses an electric current flowing in the light emitting device, and a controller which determines that an external stimulus occurs to the display panel if a change of a sensed current exceeds a preset current change rate, and performs a predetermined operation on the basis of a determination result. | 10-15-2009 |
| 20090268977 | METHOD FOR IMPROVING IMAGE QUALITY AND DISPLAY APPARATUS - A method of improving image quality and the display apparatus thereof are provided. The method includes generating a plurality of sub-frame images using a frame image depending on whether the frame image is a moving image or a still image and displaying the plurality of sub-frame images sequentially for a frame time interval of the frame image. By generating the plurality of sub-frame image which have different pixel values each other and displaying the plurality of sub-frame image sequentially, the sticking phenomenon may be prevented and a life time of the display apparatus may be extended. | 10-29-2009 |
| 20090278775 | DISPLAY APPARATUS AND CONTROL METHOD OF THE SAME - A display apparatus includes: a display unit which displays an image; and a signal controller which generates a first sub-frame having a mean brightness by calculating the mean brightness of an original frame input from an outside, generates at least one second sub-frame for compensating the first sub-frame on the basis of the first sub-frame and the original frame, and outputs the first sub-frame and the second sub-frame to be displayed on the display unit in sequence. | 11-12-2009 |
| 20090303391 | DISPLAY APPARATUS AND CONTROL METHOD OF THE SAME - A display apparatus includes: a display unit which displays an image; and a signal controller which determines a motion state of a current frame on the basis of a previous frame and the current frame input in sequence, generates a first sub-frame of which brightness is varied according to the motion state of the current frame, generates at least one second sub-frame to compensate the brightness of the first sub-frame on the basis of the first sub-frame and the current frame, and controls the first sub-frame and the second sub-frame to be displayed on the display unit in sequence. | 12-10-2009 |
| 20100309120 | DISPLAY APPARATUS AND METHOD - A display apparatus includes a display panel which include a plurality of areas; a communication unit which receive information about brightness sensed by a pointing device; a backlight unit which includes a plurality of light sources; and a controller which controls the backlight unit to change the brightness of the plural areas by a predetermined unit, and determines a pointing position of the pointing device on the basis of relative variation in the information about the brightness. With this, it is possible to detect a pointing position of a pointing device in a display apparatus having a hold-type display panel. | 12-09-2010 |
| 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 |
| 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 |
| 20110115696 | BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME - Disclosed are a backlight unit and a display apparatus. The display apparatus including: an image receiver receiving an image signal; an image processor processing an image signal received by the image receiver; a display panel displaying an image signal processed by the image processor into an image; a plurality of light guide plates disposed corresponding to divided display regions of the display panel respectively and providing light to the display regions respectively; and a light source module selectively disposed between adjacent light guide plates and radiating light to a lateral side of the light guide plates, if the light source module is not disposed between a first light guide plate and a second light guide plate which are adjacent each other among the plurality of light guide plates, light being radiated to the first light guide plate and the second light guide plate in opposite directions. | 05-19-2011 |
| 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 |
| 20120313930 | DUAL VIEW DISPLAY METHOD AND DUAL VIEW DRIVING METHOD FOR PROVIDING PLURAL IMAGES TO PLURAL USERS AND DISPLAY APPARATUS AND DUAL VIEW GLASSES USING THE SAME - A dual view display method for displaying a first content to a first user and displaying a second content to a second user, a display apparatus having a dual view function, dual view glasses and a method of driving dual view glasses are provided. The dual view display method includes displaying a first frame of the first content; displaying a second frame of the second content; creating a removal frame for the second frame based on the second frame; and displaying the removal frame. | 12-13-2012 |
| 20120327317 | LIQUID CRYSTAL DISPLAY AND CONTROL METHOD THEREOF - A liquid crystal display includes: a pair of liquid crystal shutter glasses; a liquid crystal panel which alternately displays a left image and a right image formed in a predetermined scanning direction according to a predetermined scanning cycle; a glasses controller which outputs a control signal to open and close a left glass and a right glass of the liquid crystal shutter glasses synchronizing with the scanning cycle; a light source unit which supplies light to the liquid crystal panel; and a light source driver which supplies driving power to the light source unit to emit light to the liquid crystal panel in the scanning direction posterior to the left and right images. | 12-27-2012 |
| 20130076737 | APPARATUS AND METHOD FOR DISPLAYING 3D IMAGE - An apparatus and method for displaying a three-dimensional (3D) image are provided. The apparatus includes an image correction unit which separates R, G, and B unit frame images from an input unit frame image and converts lines of each of the R, G, and B unit frame images into lines of black pixels; a display panel which sequentially outputs the R, G, and B unit frame images each having the lines of black pixels; and a polarizing element which outputs the R, G, and B unit frame images output by the display panel as left- and right-eye images for a user by polarizing on one side of each of the lines of black pixels in each of the R, G, and B unit frame images differently from the other side of each of the lines of black pixels in each of the R, G, and B unit frame images. | 03-28-2013 |
| 20130083014 | DISPLAY APPARATUS AND IMAGE PROCESSING METHOD - A display apparatus and an image processing method are disclosed. The display apparatus including: a signal receiver which receives an image signal including left and right eye images; a signal processor which processes the image signal into a displayable form; a display panel which displays the processed left and right eye image; a polarizer which is provided in a front surface of the display panel, and transmits the left eye image as a first polarized light and transmits the right eye image as a second polarized light; and a controller which controls the signal processor to compensate for color distortion of the first and second polarized lights which pass through the polarizer. With this configuration, the quality of an image that is seen by a user can be improved and color distortion issues can be resolved in a 3D display apparatus. | 04-04-2013 |
| 20130088506 | DISPLAY APPARATUS AND DRIVING METHOD THEREOF - A display apparatus and a driving method thereof are provided. The display apparatus includes an image analysis unit which analyzes a correlation of an image by comparing a current image and a previous image input prior to the current image, and determines a level of correction of the current image according to the analysis of the correlation, and an image conversion unit which converts pixel values of pixels of a unit frame having a specific color in the current image based on the level of correction, and outputs the pixel values. | 04-11-2013 |
| 20130127816 | DISPLAY APPARATUS AND DRIVING METHOD THEREOF - A display apparatus is provided. The display apparatus includes an image input unit which receives a 3D image, an image processing unit which divides the 3D image into a left-eye image and a right-eye image, an image output unit which includes a polarization panel that is switchable between polarization directions, and which provides a different polarization direction to the left-eye image and the right-eye image displayed alternately by switching a polarization direction of the polarization panel, a voltage driving unit which applies a driving voltage to the polarization panel, and a controller which divides the polarization panel in time or in space and drives the polarization panel with a voltage corresponding to each of Red, Green, and Blue (RGB) pixels, respectively, which form at least one of the left-eye image and the right-eye image. | 05-23-2013 |
| 20130141454 | DEVICE AND METHOD FOR DISPLAYING IMAGES - A device for displaying images is provided, in which the device includes an image analyzing unit which analyzes an incoming unit frame image and provides a result of the analysis related to an area on which a color characteristic is expressed, which has a different characteristic from a color characteristic of a peripheral area, and a backlight which includes light emitting diodes (LED), each LED operates differently according to presence and absence of the area on which the color characteristic is expressed, which has a different characteristic from the color characteristic of a peripheral area is expressed, by using the result of analysis. | 06-06-2013 |
| 20130162640 | DISPLAY APPARATUS AND CONTROL METHOD THEREOF - A display apparatus and a control method thereof are provided. The display apparatus includes an image processor processing a three-dimensional (3D) image including a left-eye image and a right-eye image; a display unit alternately displaying the left-eye image and the right-eye image of the 3D image processed by the image processor; and a controller determining representative values of images in reference regions of the left-eye image and the right-eye image, the reference regions referring to corresponding positions of the left-eye and right-eye images, and displaying the determined representative values of the reference regions on at least one of the left-eye image and the right-eye image. | 06-27-2013 |
| 20130169662 | DISPLAY APPARATUS AND METHOD FOR DISPLAYING IMAGE - A display apparatus is provided. The display apparatus includes an input unit which receives an image signal, a display panel unit, a determination unit which determines a color gamut of the image signal, an adjustment unit which adjusts a color gamut of the display panel unit based on the color gamut of the image signal, and a control unit which controls the display panel unit to display the image signal within the adjusted color gamut of the display panel unit. | 07-04-2013 |
| 20130169768 | DISPLAY APPARATUS AND CONTROL METHOD THEREOF - A display apparatus is provided, which may includes an image receiver which receives an image, an image processor which separates the received image into a left-eye image and a right-eye image and process the left-eye and right-eye images, an image output unit including a display panel which displays the left-eye and right-eye images alternately, a storage which stores a response speed of the display panel, and a controller which calculates a pixel value difference between the left-eye and right-eye images based on a unit of pixels that constitute the left-eye and right-eye images, detects a crosstalk generating area of the left-eye and right-eye images using the calculated pixel value difference and the response speed of the display panel stored in the storage, and controls so that the detected crosstalk generating area is indicated distinguishably from other areas of the left-eye and right-eye images. | 07-04-2013 |
| 20130169771 | DISPLAY APPARATUS FOR DISPLAYING A PLURALITY OF CONTENT VIEWS, GLASSES APPARATUS, DISPLAY SYSTEM COMPRISING THEM, AND DISPLAY METHODS THEREOF - A display apparatus is provided. The apparatus includes plurality of receivers which receive a plurality of content; a signal processor which generates image frames by processing each of the content; an output which displays a plurality of content views by combining the image frames of each content; a synchronization signal generator which generates a synchronization signal to synchronize the plurality of the content views and a plurality of glasses apparatus; an interface which transmits the synchronization signal to the plurality of the glasses apparatus; a storage which stores glass characteristic information; and a controller which controls the signal processor to process the plurality of the content according to the glass characteristic information. Thus, image quality adequate for the glass apparatus can be provided. | 07-04-2013 |
| 20130176353 | IMAGE DISPLAY APPARATUS AND METHOD - An image display apparatus and method are provided. The image display apparatus includes an image analyzing unit which inserts an insertion frame into an image of a color sequence and outputs an image of a color sequence in which the insertion frame is inserted, and changes a position of the insertion frame based on at least one dominant color and outputs an image in which the position of the insertion frame is changed, a display panel which receives the image of the color sequence, in which the insertion frame is inserted, from the image analyzing unit and displays the received image, and a backlight unit which receives information for the color sequence, in which the insertion frame is included, from the image analyzing unit and provides light of a color corresponding to the color sequence, in which the insertion frame is included, according to the received information. | 07-11-2013 |
| 20130179436 | DISPLAY APPARATUS, REMOTE CONTROL APPARATUS, AND SEARCHING METHODS THEREOF - A display apparatus is provided. The display apparatus includes a display unit configured to display an image frame of a content, an interface unit configured to receive a user command for selecting an object, a selection unit configured to select the object corresponding to the user command as a search target, in a plurality of image frames of the content, a communication unit configured to communicate with an external search server, and a control unit configured to transmit the selected object as the search target to the external search server, receive a searching result for the selected object from the external search server, and display the searching result. | 07-11-2013 |
| 20130194167 | DISPLAY APPARATUS, DISPLAY PANEL, AND DISPLAY METHOD - A display apparatus, a display panel, and a display method are provided. The display apparatus includes: a first panel which displays an object by using a self-emission device formed of a transparent material; a second panel which is disposed on a back surface of the first panel; and a controller which switches a state of the second panel to one of a transparent state and an opaque state. | 08-01-2013 |
| 20130215225 | DISPLAY APPARATUS AND METHOD FOR ADJUSTING THREE-DIMENSIONAL EFFECTS - A display apparatus and a method for adjusting a 3D effect of the display apparatus are disclosed. The display apparatus includes: a display unit; a receiver which receives a three-dimensional (3D) video signal including a left-eye video signal and a right-eye video signal; a disparity information calculator which calculates disparity information; a depth information calculator which calculates first depth information of the 3D video signal and photographing information of a 3D image photographing device; a 3D image converter which generates a first depth map and displays the first depth map; and a user interface (UI) generator which generates and displays a menu button for adjusting the first depth information, the 3D image converter generating a second depth map in response to a user's selection input through the menu button, and displaying the second depth. With the intention of a 3D image producer to adjust the 3D effect. | 08-22-2013 |
| 20140002622 | DISPLAY APPARATUS AND CONTROL METHOD THEREOF | 01-02-2014 |
