Abstract: A time-multiplexed multiview backlight, display, and method of time-multiplexed multiview backlight operation provide one or both of enhanced spatial resolution and enhanced angular resolution using time-multiplexing. The time-multiplexed multiview backlight includes a light guide configured to guide light as time-multiplexed guided light having different directions during different time intervals and an array of multibeam elements configured to scatter the time-multiplexed guided light as directional light beams. A first set of multibeam elements is configured to selectively scatter out the time-multiplexed guided light having the first direction and a second set of multibeam elements of the multibeam element array is configured to selectively scatter out the time-multiplexed guided light having the second direction.

Abstract: A multiview display and method employ an array of lenses to provide effective light sources from semi-collimated light. The multiview display includes a semi-collimated backlight configured to provide the semi-collimated light, an array of light valves arranged as multiview pixels, and an array of lenses disposed between the semi-collimated backlight and the array of lenses. Each lens of the array of lenses is configured to provide an effective light source at a focal plane of the lens to illuminate a corresponding multiview pixel.

Abstract: An adaptive background multiview image display system and method provides improved multiview image quality. Systems and methods may involve generating crosstalk data that reduces crosstalk between a first view of subject image and a second view of the subject image. The subject image may be a multiview image to be overlaid on a background image. A crosstalk violation may be detected in the subject image based on the crosstalk data. At least one of a color value or a brightness value of the background image is determined according to a degree of the crosstalk violation to generate the background image. The subject image may then be overlaid on the generated background image.

Abstract: A static-image augmented privacy display, mode-switchable privacy display system, and method provide a private image to a first view zone and a static image to a second view zone. The static-image augmented privacy display includes a privacy backlight configured to provide directional emitted light to the first view zone and an array of light valves configured to modulate the directional emitted light to provide a private image within the first view zone. The static-image augmented privacy display also includes a static display layer configured to provide a static image in a second view zone. The mode-switchable privacy display includes a broad-angle backlight configured to provide broad-angle emitted light to both a first view zone and a second view zone during a shared mode, a shared image being provided by modulation of the broad-angle emitted light using the light valve array.

Abstract: A horizontal parallax multiview display employs a plurality of slanted multibeam columns to scatter out of a light guide a plurality of directional light beams having principal angular directions corresponding to different view directions of the horizontal parallax multiview display. The plurality of directional light beams is modulated using an array of light valves to provide a multiview image having horizontal parallax. Further, the horizontal parallax multiview display employs a light control film having a slanted light control axis aligned with slanted multibeam columns of the slanted multibeam column plurality. The light control film is configured to control a view angle of the multiview image in a direction orthogonal to the horizontal parallax. The slanted multibeam columns may provide the multiview displays with a balanced resolution.

Abstract: A multiview display employs an array of multibeam elements configured to provide directional light beams having different principal angular directions corresponding to different view directions of the multiview display. Moreover, the multiview display includes an array of light valves configured to modulate the directional light beams as a multiview image to be displayed by the multiview display, where a multiview pixel of the multiview display includes a set of light valves of the light valve array corresponding to a multibeam element of the multibeam element plurality and being configured to modulate directional light beams from the multibeam element. Furthermore, a shape of the multiview pixel is dynamically reconfigurable to provide the multiview image having a dynamic field of view (FOV). The FOV may be modified based on a monitored orientation of the multiview display, a monitored position of a user relative to the multiview display, or both.

Abstract: A multiview backlight, multiview display, and method of multiview backlight operation include reflective multibeam elements configured to provide emitted light having directional light beams with directions corresponding to view directions of a multiview image. The multiview backlight includes a light guide configured to guide light and an array of the reflective multibeam elements. Each reflective multibeam element includes a plurality of reflective sub-elements and is configured to reflectively scatter out a portion of the guided light as the emitted light. The multiview display includes the multiview backlight and an array of light valves to modulate the directional light beams to provide the multiview image. Each reflective sub-element protrudes from a guiding surface of the light guide by a respective protrusion distance. At least some of the protrusion distances can vary as a function of distance along a length of the light guide.

Abstract: A multiview display includes an array of light valves having rows of a repeating plurality of color sub-pixels and arranged as a plurality of multiview pixels configured to modulate directional light beams as color pixels of views of a multiview image. A first row of the repeating plurality of color sub-pixels is offset from a second row of the repeating plurality of color sub-pixels in a row direction by an integer multiple of a width of a color sub-pixel. The offset of the first and second rows is configured to provide corresponding color sub-pixels in adjacent multiview pixels having different colors to mitigate color fringing associated with the color pixel of the multiview image. The multiview display further includes a light control film configured to control a view angle of the multiview image.

Abstract: A user-tracking multiview display and a user-tracking multiview display system selectively provide a primary set of views and a secondary view according to a location of a user determined by a both a relative motion of the user-tracking multiview display and a periodic user location measurement. The user-tracking multiview display includes a multibeam backlight configured to provide directional light beams corresponding to different view directions of a multiview image and a light valve array configured to modulate the directional light beams to provide a plurality of views including the primary view set and the secondary view. The user-tracking multiview display system further includes a user tracker configured to determine a position of a user using both a periodic user location measurement and relative motion of the user-tracking multiview display system.

Abstract: A multiview display and a method of multiview display operation employ an array of light valves having a repeating plurality of color sub-pixels and an array of multibeam emitters providing directional light beams. The array of light valves having the repeating plurality of color sub-pixels is configured to modulate the directional light beams as color pixels of views of a multiview image. A first multibeam emitter and a second multibeam emitter of the multibeam emitter array are offset from one another with respect to the array of light valves. The offset is configured to direct to a color pixel of the multiview image a modulated directional light beam from each of the first multibeam emitter and the second multibeam emitter having an equivalent angular direction relative to one another. The equivalent angular direction may mitigate color fringing within the color pixel.

Abstract: A system and method of multiview style transfer apply a style transfer to individual views of a multiview image in a way that produces consistent results across all images. In some embodiments, the multiview style transfer includes receiving first and second images representative of first and second perspectives of a scene and first and second disparity maps corresponding to the first and second images, generating a first stylized image, generating a stylized shifted image based on the first stylized image and the first disparity map, generating a second stylized image based on a guided filter of the stylized shifted image and the second image, and generating a first and second stylized image based on the stylized shifted images and the disparity maps.

Abstract: A multi-zone backlight and multi-zone multiview display with multiple zones selectively provide broad-angle emitted light corresponding to a two-dimensional (2D) image and directional emitted light corresponding to a multiview image to each zone of the multiple zones. The multi-zone backlight includes broad-angle backlight to provide the broad-angle emitted light and a multiview backlight to provide the directional emitted light. Each of the broad-angle backlight and the multiview backlight is divided into a first zone and a second zone that may be independently activated to provide the broad-angle emitted light and multiview emitted light, respectively. The multi-zone multiview display includes the broad-angle backlight and the multiview backlight and further includes an array of light valves configured to modulate the broad-angle emitted light as a two-dimensional image and the directional emitted light as a multiview image on a zone-by-zone basis.

Abstract: A static multiview display and method of static multiview display operation provide a static multiview image using diffractive gratings to that encode pixels of the static multiview image. The static multiview display includes a light guide configured to guide plurality of guided light beams and a light source configured to provide the guided light beam plurality having the different radial directions. The static multiview display further includes a plurality of diffraction gratings configured to provide different individual directional light beams from a portion of the radially directed guided light beams. The different individual directional light beams having different intensities and directions corresponding to and representing different view pixels of the static multiview image.

Abstract: Fabricating a diffractive backlight employs a universal grating and selects a portion of the universal grating using a reflective island to define a grating element, a reflective diffraction grating element of the diffractive backlight including the grating element and the reflective island. A method of fabricating a diffractive backlight includes forming the universal grating, forming the reflective island, and selecting a portion of the universal grating using the reflective island to define the grating element. The method of fabricating a diffractive backlight may include forming the reflective island on a light guide surface and forming the universal grating over the reflective island. Alternatively, the method of fabricating a diffractive backlight may include forming the universal grating on the light guide surface and forming the reflective island over the universal grating.

Abstract: A multiview backlight, multiview display, and method employ arrays of active emitters and a diffuser to provide an effective active emitter from emitted light from each active emitter. The multiview backlight includes an array of active emitters and a diffuser configured to provide effective active emitters having a predetermined size that is between one quarter and two times a size of a light valve of the multiview display. The multiview display includes an array of effective active emitters including active emitters and a diffuser configured to provide output emitted light. The multiview display further includes an array of light valves configured to modulate output emitted light to provide a displayed image. A spacing between effective active emitters is an integer multiple of a spacing between light valves of the multiview display.

Abstract: A multibeam backlight and multiview display employ a filling fraction of a diffraction grating to control diffractive scattering efficiency. The multibeam backlight includes a light guide configured to guide light and a plurality of multibeam elements, a multibeam element of the multibeam element plurality including a diffraction grating. The multibeam element is configured to diffractively scatter a portion of the guided light out of the light guide as directional light beams having different directions corresponding to different view directions of a multiview display. A filling fraction of diffractive features within the diffraction grating is configured to control a diffractive scattering efficiency of the multibeam element. The multiview display further includes an array of light valves configured to modulate the directional light beams to provide a multiview image. The filling fraction may be a ratio of diffractive features to filling features within the diffraction grating.

Abstract: A grating collimator and backlight system provide collimated light to illuminate a backlight. The grating collimator includes a light guide configured to guide light as guided light and a light-recycling light source configured to provide light to the light guide and to recycle light received from the light guide. The grating collimator further includes a diffraction grating coupler configured to diffractively redirect the provided light into the light guide as the guided light. The backlight system includes the grating collimator configured to provide collimated output light and the backlight configured to receive the collimated output light. The backlight may be multiview backlight.

Abstract: A multiview backlight, multiview display, and method employ arrays of active emitters arranged in columns to provide directional light beams having directions corresponding to view directions of a multiview display. The multiview backlight includes a first array of active emitters arranged in columns and configured to provide a first plurality of directional light beams and a second array of active emitters arranged in columns and configured to provide a second plurality of directional light beams. Columns of the second active emitter array are disposed between and alternate with the columns of the first active emitter array. The multiview display further includes an array of light valves configured to modulate the directional light beams to display a multiview image. The view directions of the multiview display are in a plane that crosses the columns of first and second active emitter arrays.

Abstract: A multiview backlight and multiview display employ an optical mask element having a first portion and a laterally displaced second portion to mitigate Moiré associated with the optical mask element. The multiview backlight includes an array of multibeam unit cells distributed across a light guide. Each multibeam unit cell has a multibeam element configured to scatter out a portion of guided light as a plurality of directional light beams having different directions corresponding to different views of the multiview display. Each multibeam unit cell further includes an optical mask element having the first portion aligned and co-extensive with the multibeam element and the second portion laterally displaced within the multibeam unit cell from the first portion. One or both of the lateral displacement and an overall size of the optical mask element is configured to mitigate Moiréassociated with the optical mask element.

Abstract: A dual view zone backlight and dual-mode display employ a first backlight region to provide directional emitted light toward a first view zone and a second backlight region to provide broad-angle emitted light toward the first and a second view zone in a first mode. The dual-mode display includes a second backlight to provide broad-angle light toward both the first view zone and the second view zone in a second mode.