H04N13/04

Diffraction grating based 3-D display
09829612 · 2017-11-28 · ·

A three-dimensional display system and methods for forming 3D images are disclosed. In one version, a diffusion screen is formed at a predetermined location.sub.1 of a set of predetermined locations 1-n within an image chamber. The diffusion screen is illuminated with visible light indicative of a cross-sectional image.sub.1 of a set of a plurality of cross-sectional images 1-N of a three-dimensional image at the predetermined location.sub.1 within the image chamber. The diffusion screen is erased and the method is repeated for cross-sectional images 2-N and predetermined locations 2-n of the three-dimensional image at a scan rate sufficient to produce a representation of the three-dimensional image in the image chamber.

HOLOGRAPHIC DISPLAY SYSTEMS, METHODS AND DEVICES
20170336759 · 2017-11-23 · ·

Systems, devices and methods are described including providing infrared (IR) laser radiation to a Digital Micromirror Device (DMD) array and using the DMD array to spatially modulate the IR laser radiation. The spatially modulated IR laser radiation may then be projected to form a voxel array where each voxel of the array represents to a volume of air wherein the IR laser radiation has been focused sufficiently to cause air to ionize. The voxel array may then be spatially rotated.

STEREOSCOPIC VIEWING APPARATUS
20170336614 · 2017-11-23 ·

A viewing apparatus for producing a stereoscopic image for an observer, the viewing apparatus comprising: first and second video projectors for projecting respective ones of first and second video images of an object, the first and second images being different images which are one or both of spatially and angularly shifted in relation to the object so as to convey parallax between the images; a mirror arrangement comprising a concave mirror which receives light from the first and second video projectors, the mirror arrangement being located in relation to the first and second video projectors such that focussed images of the object are produced at the mirror arrangement; and a viewing lens for relaying exit pupils corresponding to each of the focussed images as reflected by the mirror arrangement to a viewing plane so as to be viewable at the respective eyes of the observer as a stereoscopic image without use of adapted eyewear; wherein the video projectors comprise first and second video displays which are driven by first and second video signals to display respective ones of the first and second video images, and first and second optical arrangements for focussing light from the respective images as displayed by the first and second displays to the mirror arrangement.

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM
20170337712 · 2017-11-23 ·

The aspect of the embodiments is directed to an image processing apparatus capable of executing gradation processing according to various shapes of boundary portions by determining start positions for starting the gradation processing for applying a gradient to a luminance value in a horizontal direction of an image in positions in a vertical direction of the image.

Wide angle imaging directional backlights
20170339398 · 2017-11-23 ·

An imaging directional backlight apparatus including a waveguide, a light source array, for providing large area directed illumination from localized light sources. The waveguide may include a stepped structure, in which the steps may further include extraction features optically hidden to guided light, propagating in a first forward direction. Returning light propagating in a second backward direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. Viewing windows are formed through imaging individual light sources by waveguide facets and rear reflector images in cooperation. Viewing windows may be provided at first and second different window planes to improve uniformity in a lateral direction. Further, stray light may be reduced by inner and outer portions of reflective facets with different inclinations for the rear reflector.

Image display device using diffractive element

An image display device includes a display panel displaying an image, and a diffractive element formed to operate in a 2D mode or a 3D mode so that the image of the display panel is perceived as a 2D image or a 3D image after passing through the diffractive element. In the image display device, the diffractive element includes a first substrate and a second substrate facing each other, a first electrode layer formed on the first substrate that includes a plurality of zones, a second electrode layer formed on the second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate. Further, when the diffractive element operates in the 3D mode, a common voltage is applied to the second electrode layer, and polarity of voltages applied to the first electrode layer with respect to the common voltage is inverted every zone.

Image processing of captured three-dimensional images
09826170 · 2017-11-21 · ·

There is provided an image processing device including a first composition setting unit configured to set composition for a two-dimensionally displayed input image based on a first technique, and a second composition setting unit configured to set composition for a three-dimensionally displayed input image based on a second technique different from the first technique.

Array substrate, pixel driving method thereof and display device
09824643 · 2017-11-21 · ·

Embodiments of the present invention provides an array substrate, a pixel driving method, and a display device, and the array substrate is provided with a first pixel unit set used to display a first image, and pixel units in the first pixel unit set are coupled to a first gate line set in the plurality of gate lines; a second pixel unit set configured to display a second image, and pixel units in the second pixel unit set are coupled to a second gate line set in the plurality of gate lines; the pixel units in the first pixel unit set and the pixel units in the second pixel unit set are alternately provided.

Display panel with a timing control unit, method for driving the same and 3D display device

The disclosure provides a display panel, a method for driving the display panel and a 3D display device including the display panel, and relates to the technical field of display. The display panel comprises a display unit and at least one timing control units, wherein the display unit comprises a plurality of display regions and the plurality of display regions are simultaneously scanned. With the present invention, wire impedance in the display panel is reduced, charging time for a single row of pixels can be reduced and charging rate of the pixels can be improved.

Stereoscopic image display device, terminal device, stereoscopic image display method, and program thereof
09826222 · 2017-11-21 · ·

The stereoscopic image display device which displays images corresponding to each of a plurality of viewpoints includes: a stereoscopic image display panel which includes a display panel in which a plurality of pixels are arranged and a light-ray separating module provided on the display panel for separating parallax images from each of the pixels towards a plurality of N-viewpoints (N is a natural number of 2 or larger) according to the layout direction of each of the pixels; an observer position measuring unit which measures an observing position of the observer who is facing the display surface; a relative position calculating unit which calculates a relative position of the observer with respect to the stereoscopic image display panel based on the measurement result; and an image generation processing unit which generates viewpoint image by corresponding to the relative position and outputs the image towards the stereoscopic image display panel.