公开(公告)号：WO2019168538A1

公开(公告)日：2019-09-06

申请号：PCT/US2018/020541

申请日：2018-03-01

Applicant: LEIA INC.

Inventor： LI, Xuejian ,  FATTAL, David A. ,  AIETA, Francesco ,  MA, Ming

IPC: F21V8/00 ,  G02B27/22 ,  G02B27/42

Abstract: A static multiview display and method employ an array of diffraction gratings to provide a multiview image having a direction that is a function of both color and a propagation angle of a collimated guided light beam. The static multiview display includes a light guide configured to guide light in a longitudinal direction and a light source configured to provide the collimated guided light beam, the propagation angle within the light guide being determined by a longitudinal offset of an optical emitter of the light source. The static multiview display further includes the array of diffraction gratings are configured to scatter out a portion of the collimated guided light beam as a plurality of directional light beams representing the multiview image.

公开(公告)号：WO2019099041A1

公开(公告)日：2019-05-23

申请号：PCT/US2017/062439

申请日：2017-11-18

Applicant: LEIA INC.

Inventor： MA, Ming ,  LI, Xuejian ,  FATTAL, David A.

IPC: F21V8/00

Abstract: A bar collimator and backlight system provide collimated light to illuminate a backlight. The bar collimator includes a light guide configured to guide light as guided light and a light extraction feature on a side of the light guide configured to scatter a portion of the guided light out of the light guide as extracted light. The bar collimator further includes a collimation film between the light guide and the backlight, the collimation film being configured to collimate the extracted light. The collimated light has an extent corresponding to a length of an input of the backlight and is configured to serve as an illumination source of the backlight. The backlight system includes the bar collimator and the backlight. The backlight may be multiview backlight.

公开(公告)号：WO2018213100A1

公开(公告)日：2018-11-22

申请号：PCT/US2018/032131

申请日：2018-05-10

Applicant: LEIA INC.

Inventor： FATTAL, David A. ,  MA, Ming ,  LI, Xuejian

IPC: F21V8/00 ,  G02B6/122 ,  G02B6/35 ,  G02B27/22

Abstract: A multiview backlight includes a first array active emitters configured to provide a first plurality of directional light beams and a second array of active emitters configured to provide a second plurality of directional light beams. The second array of active emitters is interleaved between active emitters of the first array of active emitters. Further, directional light beams of each of the first and second directional light beam pluralities have directions corresponding to view directions of a multiview display. A multiview display further includes an array of light valves configured to modulate the directional light beams to display a multiview image. An image resolution of the multiview image is configured to be dynamically selectable according to operational mode.

公开(公告)号：WO2018187019A1

公开(公告)日：2018-10-11

申请号：PCT/US2018/023044

申请日：2018-03-18

Applicant: LEIA INC.

Inventor： FATTAL, David A. ,  KREBBERS, Andre

IPC: F21V8/00

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 and the second view zones in a second mode.

公开(公告)号：WO2017204840A1

公开(公告)日：2017-11-30

申请号：PCT/US2016/040584

申请日：2016-06-30

Applicant: LEIA INC.

Inventor： AIETA, Francesco ,  FATTAL, David A.

IPC: F21V8/00

Abstract: A diffractive multiview backlight and a multiview display employ an array of diffractive multibeam elements including a plurality of diffraction gratings configured to provide a plurality of light beams having different principal angular directions corresponding to different view directions of the multiview display. The display includes multiview pixels that include sub-pixels. A size of the diffractive multibeam element of the array is comparable to a size of a sub-pixel in a multiview pixel of the multiview display.

Abstract translation: 衍射多视图背光和多视图显示器采用包括多个衍射光栅的衍射多光束元件阵列，衍射光栅被配置为提供具有与多视角的不同视角方向相对应的具有不同主角方向的多个光束 显示。 显示器包括包含子像素的多视图像素。 阵列的衍射多束元件的尺寸与多视图显示器的多视图像素中的子像素的尺寸相当。

公开(公告)号：WO2017039876A1

公开(公告)日：2017-03-09

申请号：PCT/US2016/043937

申请日：2016-07-25

Applicant: LEIA INC.

Inventor： FATTAL, David A.

IPC: H04N13/04

CPC classification number: H04N13/349 ,  H04N13/32

Abstract: In a supersampling technique, an adjacent pair of pixels in a three-dimensional (3D) electronic display is driven based on angular combinations. In particular, a pixel in the pair is driven by an angular combination of a pixel in a 3D view of a 3D image and at least one product of a pixel in an intermediate 3D view and an associated weight. Moreover, the 3D views applied to the pair have different associated angular ranges with different principal angular directions, and the intermediate 3D view has an associated intermediate angular range with an intermediate principal angular direction that is between the principal angular directions. When viewing the 3D electronic display along a principal angular direction in the principal directions of the 3D view, a viewer sees the 3D view, and when viewing the 3D electronic display along the intermediate principal angular direction, the viewer sees the intermediate 3D view.

Abstract translation: 在超采样技术中，基于角度组合来驱动三维（3D）电子显示器中的相邻像素对。 特别地，该对中的像素由3D图像的3D视图中的像素与中间3D视图中的像素与相关权重的至少一个乘积的角度组合驱动。 此外，应用于该对的3D视图具有不同的主角方向的不同的相关角度范围，并且中间3D视图具有在主角方向之间具有中间主角度方向的相关联的中间角度范围。 当在3D视图的主要方向上沿主要角度方向观看3D电子显示器时，观众看到3D视图，并且当沿着中间主角度方向观看3D电子显示器时，观众看到中间3D视图。

公开(公告)号：WO2016160048A1

公开(公告)日：2016-10-06

申请号：PCT/US2015/041855

申请日：2015-07-23

Applicant: LEIA INC.

Inventor： FATTAL, David A.

IPC: G02F1/13357

CPC classification number: G02B6/0036 ,  G02F1/133602 ,  G02F1/133606 ,  G02F1/133611 ,  G02F1/133615

Abstract: A dual layer backlight employs a first planar backlight to emit light and a second planar backlight to provide a plurality of coupled-out light beams. The second planar backlight includes a plate light guide and a multibeam diffraction grating configured to diffractively couple out a portion of a guided light beam within the plate light guide as the plurality of coupled-out light beams. A light beam of the coupled-out light beam has a different principal angular direction from other light beams of the coupled-out light beam plurality. A two-dimensional/three-dimensional (2D/3D) mode-switchable electronic display includes the dual layer backlight and a light valve array configured to selectively modulate emitted light as 2D pixels in a first mode and the coupled-out light beams as 3D pixels corresponding to the different 3D views in a second mode of the electronic display.

Abstract translation: 双层背光采用第一平面背光来发光，第二平面背光源提供多个耦合的光束。 第二平面背光源包括平板光导和多波束衍射光栅，其被配置为将作为多个耦合出的光束的板光导中的被引导光束的一部分衍射地耦合出来。 耦合出的光束的光束具有与耦合光束多个的其它光束不同的主要角度方向。 二维/三维（2D / 3D）可切换模式的电子显示器包括双层背光和配置成在第一模式中将发射光有选择地调制为2D像素的光阀阵列，并将耦合的光束作为3D 对应于电子显示器的第二模式中的不同3D视图的像素。

公开(公告)号：WO2016111708A1

公开(公告)日：2016-07-14

申请号：PCT/US2015/010934

申请日：2015-01-10

Applicant: LEIA INC.

Inventor： FATTAL, David A.

IPC: G02F1/13

CPC classification number: G02B27/2214 ,  G02B6/0036 ,  G02B6/0051 ,  G02F1/1334 ,  G02F1/133606 ,  G02F1/137 ,  G02F2001/13756 ,  G02F2203/62 ,  H04N13/31 ,  H04N13/359

Abstract: A two-dimensional/three-dimensional (2D/3D) switchable display backlight and a 2D/3D switchable electronic display employ a switchable diffuser to support 2D/3D switching. The 2D/3D switchable display backlight includes a plate light guide, a multibeam diffraction grating to couple light out of the plate light guide and the switchable diffuser to intercept and selectably either pass or scatter light beams of the coupled-out light. The 2D/3D switchable electronic display includes the backlight and further includes a light valve array to modulate the coupled-out light. The switchable diffuser facilitates selectability between a three-dimensional pixel and a two-dimensional pixel of the 2D/3D switchable electronic display.

Abstract translation: 二维/三维（2D / 3D）可切换显示器背光和2D / 3D可切换电子显示器采用可切换扩散器来支持2D / 3D切换。 2D / 3D可切换显示器背光源包括平板光导，用于将光耦合到平板光导和可切换漫射器的多波束衍射光栅，以拦截并选择性地通过或散射耦合光的光束。 2D / 3D可切换电子显示器包括背光源，并且还包括用于调制耦合光的光阀阵列。 可切换扩散器有利于2D / 3D可切换电子显示器的三维像素和二维像素之间的选择性。

公开(公告)号：WO2023048768A1

公开(公告)日：2023-03-30

申请号：PCT/US2022/021611

申请日：2022-03-23

Applicant: LEIA INC.

Inventor： LI, Yuanrui ,  FATTAL, David A.

IPC: G02B27/42 ,  G02B27/09 ,  G02B30/56 ,  G02B6/00

Abstract: A static color multiview display and method provide a static color multiview image using color-selective diffractive gratings configured to emit directional light beams that encode color view pixels of a static color multiview image. The static color multiview display includes a light guide configured to guide plurality of guided light beams having different radial directions and a light source configured to provide polychromatic light to be guided as the guided light beam plurality. The static color multi view display further includes a plurality of diffraction gratings configured to a scatter out a plurality of directional light beams that encode the color view pixels, each diffraction grating being configured to scatter out from one of the guided light beams a directional light beam having a predetermined color, intensity, and direction corresponding to a color, intensity, and view direction of a color view pixel of the static color multiview image.

公开(公告)号：WO2021178258A1

公开(公告)日：2021-09-10

申请号：PCT/US2021/020163

申请日：2021-02-28

Applicant: LEIA INC.

Inventor： FATTAL, David A. ,  HOEKMAN, Thomas

IPC: G02F1/13357 ,  F21V8/00

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.