Patent application number | Description | Published |
20090027425 | DISPLAY DEVICE AND DRIVING METHOD FOR DISPLAY DEVICE - A display device includes: a display panel which comprises sub-pixels including an R sub-pixel, a G sub-pixel, a B sub-pixel and a W sub-pixel and disposed in a matrix form, a gate line and a data line which insulatingly cross each other and transmit a driving signal to the sub-pixels; a driver connected to the gate line and the data line; and a signal controller which comprises a signal converter including a W extracting unit to convert R, G and B image signals into R, G, B and W image signals and a rendering unit to render the R, G, B and W image signals so that eight sub-pixels adjacent in an extending direction of the gate line display three pixels, and controls the driver to apply rendered image signals to the display panel. | 01-29-2009 |
20090046307 | RGB TO RGBW COLOR DECOMPOSITION METHOD AND SYSTEM - A Red Green Blue-to-Red Green Blue White (RGB-to-RGBW) color decomposition method and system. The RGB-to-RGBW color decomposition method includes: determining an output value of white based on inputted RGB values and a saturation; and outputting the output value when an input color is a pure color. | 02-19-2009 |
20090059078 | SYSTEM AND METHOD FOR ENHANCING SATURATION OF RGBW IMAGE SIGNAL - A system and method for improving the saturation of a red-green-blue-white (RGBW) image signal, the system including: an image signal classification unit to classify a frame of an image signal into an image classification unit using an image classification parameter based on a luminance and a saturation of the frame; a backlight luminance controller to increase a backlight luminance with respect to the frame if the image classification unit thereof is a saturation improvement target; and a W sub-pixel controller to decrease a luminance of a W sub-pixel of the frame according to an amount of increase in the backlight luminance. | 03-05-2009 |
20090085926 | SYSTEM AND METHOD FOR CONVERTING RGB TO RGBW COLOR USING WHITE VALUE EXTRACTION - A system and method of converting a red-green-blue (RGB) pixel to a red-green-blue-white (RGBW) pixel by using a W value extraction, the RGB-to-RGBW converting system including: a lookup table generator to generate an RGBW lookup table using one or more RGB lattice points; and an RGBW value computation unit to compute an RGBW value of an input pixel with respect to an RGB value of the input pixel based on the generated RGBW lookup table. | 04-02-2009 |
20090122075 | Color conversion method and apparatus for display device - A color conversion method and apparatus for a multi-primary display (MPD) are provided with analyzing an input image to determine a transformation parameter; interpolating at least two look-up tables for color conversion according to the transformation parameter, in order to calculate a look-up table for the input image; and applying the calculated look-up table to the input image to perform the color conversion. Accordingly, it is possible to provide good color reproduction and efficiently use a color gamut of an MPD having color coordinates that are different from those of primaries of an input image. | 05-14-2009 |
20100073465 | Apparatus and method for displaying three dimensional image - Disclosed are a 3D image display apparatus and method. The 3D image display apparatus may adjust a number of viewpoints of a 3D image, distance between viewpoints, and other parameters through varying a display pattern of a viewing zone generating unit and a distance between an image display unit and the viewing zone generating unit. Accordingly, the 3D image display apparatus may effectively express the 3D image suitable for various viewing circumstances. | 03-25-2010 |
20100073768 | 2D/3D switchable autostereoscopic display apparatus and method - A two dimensional/three dimensional (2D/3D) switchable autostereoscopic display apparatus and method. The 2D/3D switchable autostereoscopic display apparatus and method may selectively display a 2D image and 3D image using two displays, control a display operated as backlight from among the two displays when displaying the 2D image, and thereby may increase a contrast. Also, the 2D/3D switchable autostereoscopic display apparatus and method may output a 2D object and a 3D background using two displays. | 03-25-2010 |
20100079584 | 2D/3D switchable autostereoscopic display apparatus and method - A two dimensional/three dimensional (2D/3D) switchable autostereoscopic display apparatus and method to selectively display a 2D image and a 3D image using two displays and a convertible lens. When outputting the 2D image, the 2D/3D switchable autostereoscopic display apparatus may control a first display to output a white image/white light, control a second display to output an image, and control an electrical diffuser lens of the convertible lens to be switched off and the white image to be diffused so as to operate as a backlight. When outputting the 3D image, the 2D/3D switchable autostereoscopic display apparatus may control the first display to output an image, control the second display to be switched off to be in a transparent state, control the electrical diffuser lens of the convertible lens to be switched on to be in the transparent state, and control the lenticular lens to output the 3D image. | 04-01-2010 |
20100090940 | Image display apparatus and method - An image display apparatus and method. At least one of a left eye image and a right eye image may be formed on a pixel representation unit at a predetermined frame rate. A light, emitted from a backlight module, may be converted into a directional light having at least one direction through synchronization with the predetermined frame rate. The directional light may be guided to the pixel representation unit. | 04-15-2010 |
20100091095 | Method for driving glasses-type stereoscopic display preventing visual fatigue and refractive index-variable shutter glasses - Disclosed are a method for driving a glasses-type stereoscopic display preventing visual fatigue and refractive index-variable shutter glasses. The method includes generating a plurality of left-eye viewing point images and a plurality of right-eye viewing point images. The plurality of left-eye viewing point images and right-eye viewing point images have viewing points different from each other. An initial left-eye viewing point image and a subsequent left-eye viewing point image of the plurality of left-eye viewing point images are output, and an initial right-eye viewing point image and a subsequent right-eye viewing point image of the plurality of right-eye viewing point images are output. Each of the plurality of left-eye viewing point images and right-eye viewing point images is inputted into a single pupil. The glasses include a refractive index control unit to control a strength of an electric field to vary a refractive index of the glasses. | 04-15-2010 |
20100118126 | Device for directional light field 3D display and method thereof - A three-dimensional (3D) display device and method using a directional light field is provided. The 3D display device may construct a light field using a direction light generated by a high speed projector and at least one rotating optical device to thereby display a more natural 3D image in a wide region. | 05-13-2010 |
20100118127 | Wide depth of field 3D display apparatus and method - A display apparatus and method that may display a high depth three-dimensional (3D) image is provided. The display method may separate an input image into a near-sighted image and a far-sighted image, image and output the near-sighted image using a light field method, and image and output the far-sighted image using a multi-view method. | 05-13-2010 |
20100315324 | Display device and method - Disclosed is an image display device and an image display method thereof that may generate a plurality of directional lights based on a number of views of an input image by using a variable scattering feature of a variable scattering layer included in a backlight unit, and may output a multi-view image by using the generated plurality of directional lights. | 12-16-2010 |
20110081042 | Apparatus and method for adjusting depth - A depth adjusting method and apparatus is described. The depth adjusting method and apparatus may calculate an average depth value of objects based on a spatial feature of an image, may adjust a depth of the image based on the calculated average value, and may adjust a depth of the image according to a difference in depth between a current frame and a previous frame, based on a temporal feature of the image. | 04-07-2011 |
20110090243 | Apparatus and method for inter-view crosstalk reduction - Disclosed is an inter-view crosstalk reduction apparatus and method. The inter-view crosstalk reduction apparatus applies a different margin value based on a spatial location of an image, the margin value being used to compensate for crosstalk, performs smoothing of a margin image, and applies a margin only to a portion where the margin is utilized, thereby decreasing crosstalk. | 04-21-2011 |
20110102423 | High density multi-view image display system and method with active sub-pixel rendering - Provided are a high density multi-view image display system and method based on active sub-pixel rendering. The image display system may perform a rendering with respect to a viewpoint image in a pixel unit, using a viewpoint varying based on a position of left/right eyes of a user. | 05-05-2011 |
20120019516 | MULTI-VIEW DISPLAY SYSTEM AND METHOD USING COLOR CONSISTENT SELECTIVE SUB-PIXEL RENDERING - A multi-view display system and method using color consistent selective sub-pixel rendering are provided. The multi-view display system may determine a pixel value based on a contribution level of a viewpoint varying based on a viewing position. | 01-26-2012 |
20120019518 | Rendering system and method based on weighted value of sub-pixel region - A rendering system and method based on a weighted value of a sub-pixel region are provided. The rendering system may change a pixel value of a single sub-pixel using pixel values of sub-pixels that represent, as respective central viewpoints, a plurality of viewpoints represented by the single sub-pixel based on an inclined lens, and may perform rendering using the changed pixel value. | 01-26-2012 |
20120038627 | Display system and method using hybrid user tracking sensor - Example embodiments of a display system and method using a hybrid user tracking sensor are described. The display system may determine a final location of a user based on information of a face or eyes of a user generated based on information received from a plurality of cameras and posture information generated based on information received from a plurality of sensors. | 02-16-2012 |
20120113097 | Display apparatus and method - A display apparatus that may generate a high density light field image is provided. The display apparatus may identify an eye position of a user and set a virtual viewing window around the eye of the user. The display apparatus may generate a directional light corresponding to the viewing window and generate a high density light field image. | 05-10-2012 |
20120169724 | APPARATUS AND METHOD FOR ADAPTIVELY RENDERING SUBPIXEL - A rendering apparatus and method in a light field display may determine positions of eyes of a user, may determine a subpixel emitting a ray that enters the eyes, based on the positions of the eyes, among a plurality of subpixels forming a three-dimensional (3D) pixel, and may display a stereoscopic image on the light field display based on a pixel value of the determined subpixel. | 07-05-2012 |
20130136302 | APPARATUS AND METHOD FOR CALCULATING THREE DIMENSIONAL (3D) POSITIONS OF FEATURE POINTS - An apparatus for calculating spatial coordinates is disclosed. The apparatus may extract a plurality of feature points from an input image, calculate a direction vector associated with the feature points, and calculate spatial coordinates the feature points based on a distance between the feature points and the direction vector. | 05-30-2013 |
20140152781 | DISPLAY APPARATUS AND METHOD - A display apparatus that may generate a high density light field image is provided. The display apparatus may identify an eye position of a user and set a virtual viewing window around the eye of the user. The display apparatus may generate a directional light corresponding to the viewing window and generate a high density light field image. | 06-05-2014 |
20140292758 | DISPLAY DEVICE AND METHOD - Disclosed is an image display device and an image display method thereof that may generate a plurality of directional lights based on a number of views of an input image by using a variable scattering feature of a variable scattering layer included in a backlight unit, and may output a multi-view image by using the generated plurality of directional lights. | 10-02-2014 |