Abstract: A three-dimensional (3D) image processing apparatus and method are provided for use with a 3D, image divided into a left-eye image and a right-eye image. The apparatus includes a disparity estimation unit estimating disparities between the left-eye image and the right-eye image; a horizontal movement determination unit determining a horizontal movement value for the left-eye image and the right-eye image using the estimated disparities; and a horizontal movement unit horizontally moving the left-eye image and the right-eye image based on the determined horizontal movement value. In the method and apparatus, a receiving end which receives and displays a 3D image can enhance 3D effects and reduce eye fatigue by adjusting the disparity of the 3D image.

Abstract: A high-resolution autostereoscopic display is provided.

Abstract: A glassless stereoscopic display, which does not produce color separation and black stripes, includes: a display panel displaying an image using a plurality of pixels; a 3D optical plate separating the image displayed by the display panel into a left-eye image and a right-eye image; and a prism sheet disposed between the display panel and the 3D optical plate and having a plurality of prism elements regularly arranged to rotate an image provided by each of the pixels of the display panel by approximately 90°.

Abstract: A 2D/3D switchable stereoscopic display which can provide a 3D image with complete parallax using two polarization grating screens is provided. The 2D/3D switchable stereoscopic display includes a display device which an image and a parallax barrier unit including first and second polarization grating screens facing each other. The parallax barrier unit has a 2D mode and a 3D mode and is switched between the 2D mode and the 3D mode when the two polarization grating screens are moved relative to each other. In the 2D mode, the parallax barrier unit transmits all light, and in the 3D mode, it forms a barrier and a plurality of apertures which are arranged at predetermined intervals in two dimensions, thereby transmitting light through only the apertures and thus providing a 3D image with horizontal parallax and vertical parallax.

Abstract: A high resolution 2D-3D switchable autostereoscopic display apparatus includes: a backlight unit emitting light; a polarizer sheet changing the light emitted from the backlight unit so that the light has only a specific polarization direction; a polarization switch converting the direction of the polarization of incident light; a birefringent element array comprising a plurality of alternating first and second birefringent elements and changing the polarization direction of incident light so that the polarization of light transmitted by the first birefringent elements is perpendicular to the polarization of light transmitted by the second birefringent elements; a lenticular lens sheet separating and emitting incident light to a first eye viewing zone and a second eye viewing zone; and a display panel displaying an image.

Abstract: A switchable autostereoscopic display which can easily switch between a two-dimensional (2D) mode and a three-dimensional (3D) mode using a transparent elastic member is provided. The switchable autostereoscopic display includes a display panel which displays an image; a lenticular lens sheet which separates the image into a left-eye image and a right-eye image; a transparent substrate having a side which faces the lenticular lens sheet; and a transparent elastic member attached to the transparent substrate on the side of the transparent substrate that faces the lenticular lens sheet.

Abstract: A two-dimensional/three-dimensional (2D/3D) switchable autostereoscopic display apparatus is provided, including a display panel and a lenticular unit with a two-dimensional mode and a three-dimensional mode. In the two-dimensional mode, the lenticular unit transmits a single image, and in the three-dimensional mode, the lenticular unit separates an image from the display panel into a right-eye image and a left-eye image. The lenticular unit includes first and second lenticular lens sheets, a half-wave plate interposed between the first and second lenticular lens sheets, which rotates a polarization of incident light by 90 degrees, and first and second electro-optical mediums disposed between the first lenticular lens sheet and the half-wave plate and between the second lenticular lens sheet and the half-wave plate, respectively.

Abstract: A screen and a projection system for producing a projection-type 3D image. The screen separates an image projected from a projector into fields for realizing a 3D image, and includes a birefringence device changing a refractive index according to a polarization direction of an incident beam and a lenticular lens array producing a 3D image using the beam that passed through the birefringence device.

Abstract: Provided is a two-dimension/three-dimension (2D/3D) switchable display. The 2D/3D switchable display includes: a display device which generates an image; a first optical element which includes convex lens cells; a second optical element which includes concave lens cells that-coincide with the convex lens cells of the first optical element; and a driving unit which moves at least one of the first and second optical elements along an optical axis, wherein a two dimensional (2D) image is formed when the first optical element and the second optical element are matched with each other and a three dimensional (3D) image is formed when the first optical element and the second optical element are separated a predetermined distance from each other along the optical axis.

Abstract: A stereoscopic projection system is capable of minimizing a distance between viewing zones without reducing a distance between image projectors. In the stereoscopic projection system, a projector array having a plurality of image projectors are arranged substantially along an arrangement direction perpendicular to a connecting line between a left eye and a right eye of a viewer, and a directional screen has a first characteristic axis aligned at an angle with respect to the arrangement direction of the projector array, and a second characteristic axis perpendicular to the first characteristic axis. Therefore, the directional screen causes a plurality of images projected from the projector array to be relatively widened along the first characteristic axis and relatively narrowed along the second characteristic axis.

Abstract: An autostereoscopic display having an improved 2D/3D mode switchable structure. The autostereoscopic display includes: a display device to display an image, and a parallax barrier unit to transmit all incident light in a 2D mode, and to separate a left-eye image and a right-eye image by forming a barrier in a 3D mode.

Abstract: An image display apparatus to produce an erect real image of an object in space. The image display apparatus includes a housing to accommodate the object including an opening to secure a field of view of the object, and a microlens array installed within the housing between the object and the opening and having a plurality of microlenses. The image display apparatus inverts an image of the object so that a viewer can view the erect real image of the object in space.

Abstract: A three-dimensional image display apparatus is provided which uses a multi-facet flat mirror which includes an image pickup unit and an image display unit. The image pickup unit includes a first beam splitter changing paths of beams incident from a three-dimensional object, a first multi-facet flat mirror forming a concave structure with a combination of a plurality of basic flat mirrors, and an image pickup device picking up as a two-dimensional basic image signal beams that are reflected by the first multi-facet flat mirror array. The image display unit includes a beam projector receiving the two-dimensional basic image signal and projecting the received signal, a second beam splitter changing propagation paths of incident beams, and a second multi-facet flat mirror array forming a concave structure with a combination of a plurality of basic flat mirrors and restoring the input two-dimensional signal into a three-dimensional image signal.

Abstract: A multi-view autostereoscopic projection system using a single projection lens unit. The projection type autostereoscopic system includes: a source of graphic signals representing at least three perspective views of a 3-D object on at least three parts of a frame, the at least three perspective views being directly or reflectively projected vertically or horizontally in a predetermined order, an image projector connected to the source of graphic signals, an image screen disposed across from the image projector, and first and second parallel plane mirrors installed between a projection lens of the image projector and the image screen to be substantially parallel to a projection axis at the same distance from the projection axis such that the first and second parallel plane mirrors are separated from each other by a predetermined distance.

Abstract: A multiview three-dimensional imaging system includes a large-aperture objective for focusing multiview image rays of an object incident from multiple viewing directions into a convergent zone; a scanner for scanning the focused multiview image rays at the convergent zone; and a sensor and a display for the scanned image rays. The scanner segments the focused multiview image rays into two-dimensional images from each of the multiple viewing directions. The multiview three-dimensional imaging system enables image formation with minimal light loss and image enlargement, so that a screen of arbitrary size can be employed to display the images.

Abstract: A multi-channel acousto-optic spatial modulator for fast signal processing by a plurality of acousto-optic modulating cells connected in a line. The multi-channel acousto-optic spatial modulator in accordance with the present invention comprises a plurality of modulating cells each for modulating the incident light, acoustic waves being created within each of said plurality of modulating cells; and a plurality of absorbing plates each interposed between said two modulating cells for shielding the acoustic wave created within one of said two modulating cells from being propagated into the other of said two modulating cells.