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Reald Inc patents


Recent patent applications related to Reald Inc. Reald Inc is listed as an Agent/Assignee. Note: Reald Inc may have other listings under different names/spellings. We're not affiliated with Reald Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "R" | Reald Inc-related inventors


 new patent  Optical stack for imaging directional backlights

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. ... Reald Inc

High brightness stereoscopic image screening device using modulator asymmetry drive, and method for operating same

Proposed is a stereoscopic image screening device. The stereoscopic image screening device comprising: a polarized light splitter for spatially splitting and emitting an image light emitted from a projector into transmitted light and one or more reflected lights according to polarization components; a first modulator for emitting the transmitted light on a screen by performing modulation in a way allowing different polarizations as the transmitted light is alternately emitted as a left image or a right image in a time-division scheme; and a second modulator for emitting the reflected light on the screen by performing modulation in a way allowing different polarizations as the reflected light is alternately emitted to a left image or a right image in a time-division scheme, wherein the first modulator and the second modulator are set in a manner that the phase delay of the first modulator is any one of 0λ and ½λ, and the phase delay of the second modulator is the other one of 0λ and ½λ at a specific point of time.. ... Reald Inc

Polarization conversion system and method for projecting polarization encoded imagery

A polarization conversion system separates light from an unpolarized image source into a first state of polarization (sop) and an orthogonal second sop, and directs the polarized light on first and second light paths. The sop of light on only one of the light paths is transformed to an orthogonal state such that both light paths have the same sop. ... Reald Inc

Strain relieved mounting method and apparatus for screen material

A method of mounting screen material may include a screen mounted to a frame at multiple mounting points. One embodiment may include mounting patches attached along the perimeter of the screen. ... Reald Inc

Pixel geometries for spatially multiplexed stereo 3d displays

A 3d image pixel in a spatially multiplexed stereo 3d display includes a first left-eye subpixel and a second left-eye subpixel that are both driven when displaying the left-eye image. The 3d image pixel also includes a first right-eye subpixel and a second right-eye subpixel that are both driven when displaying the right-eye image. ... Reald Inc

High power handling polarization switches

Liquid crystal devices are described that maintain performance of polarization/amplitude modulation under high irradiance conditions. Configurations that isolate polarizing elements under high thermal load are discussed which allow other elements, such as glass, which may be sensitive to stress birefringence to remain near optimum thermal conditions.. ... Reald Inc

Wide angle imaging directional backlights

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. ... Reald Inc

Wide angle imaging directional backlights

An imaging directional backlight apparatus includes a waveguide and a light source array, providing large area directed illumination from localized light sources. The waveguide may include a stepped structure, and the steps may further include extraction features optically hidden to guided light, propagating in a forward direction. ... Reald Inc

Light input for directional backlight

A directional backlight may include a light guiding apparatus including at least one transparent optical waveguide for providing large area collimated illumination from localized light sources. The waveguide is arranged in a first part and a second part with a light injection aperture between the respective parts. ... Reald Inc

High elastic modulus projection screen substrates

A stiffening strip at selected edges of a screen may enable the use and mounting of a high-elastic modulus substrate screen material. Such screen materials may be engineered to provide polarization-preserving characteristics, and be applied to or part of the high-elastic modulus substrate. ... Reald Inc

High power handling polarization switches

Liquid crystal devices are described that maintain performance of polarization/amplitude modulation under high irradiance conditions. Configurations that isolate polarizing elements under high thermal load are discussed which allow other elements, such as glass, which may be sensitive to stress birefringence to remain near optimum thermal conditions.. ... Reald Inc

Multiscopic image capture system

Systems, devices, and methods disclosed herein may generate captured views and a plurality of intermediate views within a pixel disparity range, td, the plurality of intermediate views being extrapolated from the captured views.. . ... Reald Inc

Intelligent privacy system, apparatus, and method thereof

A directional display apparatus including a directional display device that is capable of directing a displayed image into a viewing window of variable width is provided with a privacy control function. A control system detects the presence of one or more secondary viewers in addition to a primary viewer, and decides whether the one or more secondary viewers is permitted to view the displayed image. ... Reald Inc

Wide angle imaging directional backlights

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. ... Reald Inc

08/03/17 / #20170219839

System and method for vibrating screens to reduce speckle

The present disclosure includes systems and methods for solving speckle problems by exciting the screen with a more complex vibration spectrum. A range of frequencies provides, in effect, a collection of overlapping patterns of high and low displacement, so that all regions of the screen have enough motion to reduce visible speckle. ... Reald Inc

07/13/17 / #20170199319

Directional backlights with light emitting element packages

A light emitting diode package for a directional display may comprise light emitting diodes and a protection diode. The protection diode may be arranged in a well that is at a different location to the well that the light emitting diodes are arranged. ... Reald Inc

07/06/17 / #20170195662

Gaze correction of multi-view images

Gaze is corrected by adjusting multi-view images of a head. Image patches containing the left and right eyes of the head are identified and a feature vector is derived from plural local image descriptors of the image patch in at least one image of the multi-view images. ... Reald Inc

06/08/17 / #20170160554

Directional flat illuminators

Disclosed is an optical valve or light valve for providing large area collimated illumination from localized light sources, and system and method thereof for 2d, 3d, and/or autosteroscopic displays. An optical valve may include a stepped structure, in which the steps include separated extraction features which may be optically hidden to light propagating in a first direction. ... Reald Inc

05/18/17 / #20170139114

Surface features for imaging directional backlights

An imaging directional backlight apparatus includes a waveguide and light source array for providing large area directed illumination from localized light sources. The waveguide may include a stepped structure in which steps may include extraction features optically hidden to guided light, propagating in a forward direction. ... Reald Inc

05/18/17 / #20170139110

Directionally illuminated waveguide arrangement

Disclosed is a light guiding valve apparatus comprising an optical valve, a two dimensional light source array and a focusing optic for providing large area collimated illumination from localized light sources. A stepped waveguide may be a stepped structure, in which the steps may be extraction features optically hidden to guided light, propagating in a first forward direction. ... Reald Inc

05/18/17 / #20170139097

Wide angle imaging directional backlights

An imaging directional backlight apparatus includes a waveguide and a light source array for providing large area directed illumination from localized light sources. The waveguide may include a stepped structure. ... Reald Inc

05/11/17 / #20170131624

Distortion matching polarization conversion systems and methods thereof

Optical systems having at least one polarization beam splitter (pbs) are operable to receive randomly-polarized light bundles from a projector lens. The pbs is further operable to direct light bundles having a state of polarization (sop) along a light path and operable to direct other light bundles having a different sop along different light paths. ... Reald Inc

05/04/17 / #20170123221

Polarization compensated stereoscopic systems

Disclosed embodiments include stereoscopic systems having at least one compensator operable to reduce the sensitivity of polarization control over incidence angle of image source optics and analyzer optics. In an exemplary embodiment, the disclosed compensator is operable to compensate polarization changes induced by optics at either or both the image source subsystem and the analyzer subsystem, in which the polarization changes would be operable to cause leakage at the analyzer subsystem if uncompensated. ... Reald Inc

03/16/17 / #20170075057

Method of manufacturing directional backlight apparatus and directional structured optical film

Disclosed is a manufacturing method for a stepped imaging directional backlight apparatus which may include a structured optical film and a tapered body. The structured optical film may include multiple optical functions and may be assembled by folding onto the tapered body, reducing cost and complexity of manufacture.. ... Reald Inc

03/02/17 / #20170064269

High dynamic range projection with multiple numerical aperture illumination

A projection system includes first and second illumination sources and a homogenizer component. The first illumination source has a first numerical aperture value. ... Reald Inc

01/26/17 / #20170026631

Stereoscopic format converter

A device and method for converting one stereoscopic format into another. A software-enabled matrix is used to set forth predefined relationships between one type of format as an input image and another type of format as an output image. ... Reald Inc








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