A projection assembly is described. The projection assembly comprises a first holographic projection channel configured to output a first holographic light field. The projection assembly further comprises a second holographic projection channel configured to output a second holographic light field. The first holographic projection channel and the second holographic projection channel are arranged such that the first holographic light field is adjoined with the second holographic light field in order to form a continuous field of view.

A holographic display apparatus is provided. The holographic display apparatus includes a spatial light modulator configured to diffract light emitted from an incident light source with a shape corresponding to a computer generated hologram (CGH) pattern to generate an image signal, a filtering optical system configured to filter the image signal to select a first signal component among signal components included in the image signal, a first formation optical system configured to form a focus plane with a smaller size than the first image plane on a surface of a mirror via focus on the first image plane based on the first signal component, and a focus scanner configured to form a beam in a direction of 360 degrees based on a tilting angle of the mirror and rotation of the mirror.

A method begins by a computing device obtaining a visual file for display, determining to display the visual file in an expanded manner and determining a number of monitors associated with the computing device. The method continues by determining a display window space that extends beyond a display area of at least one monitor. The method continues by determining a first display region of the display window space attributed to the number of monitors within and determining a second display region of the display window space that is outside of the first display region. The method continues by mapping a first and section portion of the visual file to the first and second display regions to produce a first and second visual mapping. The method continues by rendering at least a portion of the visual file onto the display window space in accordance with the first and second visual mappings.

A holographic display with an illumination device, an enlarging unit and a light modulator. The illumination device includes at least one light source and a light collimation unit, the light collimation unit collimates the light of the at least one light source and generates a light wave field of the light that is emitted by the light source with a specifiable angular spectrum of plane waves, the enlarging unit is disposed downstream of the light collimation unit, seen in the direction of light propagation, where the enlarging unit includes a transmissive volume hologram realising an anamorphic broadening of the light wave field due to a transmissive interaction of the light wave field with the volume hologram, and the light modulator is disposed upstream or downstream of the anamorphic enlarging unit, seen in the direction of light propagation.

An apparatus for displaying an image, including: an input image node configured to provide at least a first and a second image modulated lights; and a holographic waveguide device configured to propagate the at least one of the first and second image modulated lights in at least a first direction. The holographic waveguide device includes: at least a first and second interspersed multiplicities of grating elements disposed in at least one layer, the first and second grating elements having respectively a first and a second prescriptions. The first and second multiplicity of grating elements are configured to deflect respectively the first and second image modulated lights out of the at least one layer into respectively a first and a second multiplicities of output rays forming respectively a first and second FOV tiles.

A viewing angle expansion plate, which is a multi-pinhole mask, includes a plurality of cell areas; and a plurality of pinholes formed in the plurality of cell areas, wherein each cell area from among the plurality of cell areas corresponds to a respective pixel from among a plurality of pixels in a flat panel display. The flat panel display includes a light source configured to emit parallel light; a flat panel, on which the parallel light is incident, configured to provide a three-dimensional image; and the viewing angle expansion plate.

A holographic display system for generating a super hologram with full parallax in different fields of view in the horizontal and vertical directions. The display system includes assemblies or subsystems each adapted to combine holographic displays and coarse integral displays to produce or display a coarse integral hologram. Briefly, the display system described herein teaches techniques for enhancing operations of coarse integral holographic (CIH) displays. The enhanced CIH displays may utilize ganged scanners, may operate scanners to provide boustrophedon scanning, may be configured to add color information such by view sequential color hologram display and scanning, may replace or supplement X-Y scanning abilities with a resonant scanner, and may replace physical lenslet arrays by generating and displaying a holographic lenslet for each elemental hologram used to create the super hologram.

The present invention relates to a system and method for displaying and capturing holographic true 3D images. The system comprises elements which may form both a wide viewing angle holographic true 3D display and a holographic true 3D video camera. The system mainly comprises a light source, a spatial light modulator or an electro-optical capturing device in different embodiments of the invention, a curved mirror, a computer and a beam splitter and opaque mask in some embodiments of the invention.

A method and system are disclosed for using circular symmetry to eliminate the angle limitations of an optical axis in a scanned aperture holography system. A Room-sized Holography System may be a scanned aperture holographic video display and may comprise a rotating platform, a telescope comprising a first lens and a second lens, and scanners at the Fourier plane where the focal length of the first lens and the second lens meet. The platform may rotate around an axis aligned with a spatial light modulator. When the platform rotates, the scanners rotate, thereby de-rotating a SAW image. The second lens may be a spherical reflective surface for redirecting light from the spatial light modulator, having passed through the first lens and reflected off a mirror-scanner, toward a user's eyes. The user may be on a chair above the spatial light modulator, wherein the chair is configured to rotate with the spatial light modulator.

A holographic display apparatus and a hologram optimization method for the apparatus are provided. The holographic display apparatus includes a focus-forming optical element configured to form a plurality of foci by receiving plane waves; a collimating lens configured to propagate, as plane waves, light incident through the plurality of foci; and a spatial light modulator configured to generate a holographic image by overlapping a plurality of plane waves incident from the collimating lens.