公开(公告)号：WO2017213676A1

公开(公告)日：2017-12-14

申请号：PCT/US2016/050451

申请日：2016-09-06

Applicant: LEIA INC.

Inventor： FATTAL, David A.

IPC: G02B6/12 ,  F21V8/00

Abstract: Multiview displays include a backlight and a screen used to form a plurality of multiview pixels. Each multiview pixel includes a plurality of sets of light valves. The backlight includes a light source optically coupled to a plate light guide configured with a plurality of multibeam elements. Each multibeam element corresponds to a set of light valves and is spatially offset with respect to a center of the set of light valves toward a center of the multiview pixel. The plurality of multibeam elements are also configured to couple out light from the plate light guide with different angles and angular offsets such that at least a portion of the coupled-out light beams interleave and propagate in different view directions of the multiview display.

Abstract translation: 多视图显示器包括用于形成多个多视图像素的背光和屏幕。 每个多视图像素包括多组光阀。 背光包括光学耦合到配置有多个多光束元件的板光导的光源。 每个多光束元件对应于一组光阀，并且相对于该组光阀的中心朝向多视图像素的中心在空间上偏移。 多个多光束元件还被配置成以不同角度和角度偏移来耦合来自板光导的光，使得耦合输出光束的至少一部分在多视角显示器的不同视角方向上交织和传播。 p>

公开(公告)号：WO2017065819A1

公开(公告)日：2017-04-20

申请号：PCT/US2016/013757

申请日：2016-01-16

Applicant: LEIA INC.

Inventor： FATTAL, David A.

IPC: H04N13/04 ,  H04N13/00 ,  G02B5/20 ,  G02B6/00

CPC classification number: G02B6/0035 ,  G02B6/00 ,  G02B27/0172 ,  G02B27/4205 ,  G02B2027/0127 ,  G02B2027/0134 ,  H04N13/344

Abstract: A near-eye display and a binocular near-eye display system provide a plurality of different views of an image to different locations within an eye box to impart focus depth cues to a user. The near-eye display includes a multibeam diffraction grating-based display configured to provide the different views and an optical system configured to relay the different views to the different locations within the eye box. The binocular near-eye display system includes a pair of the multibeam diffraction grating-based displays and a binocular optical system configured to provide and relay a stereoscopic image pair representing a three-dimensional (3D) scene to a corresponding pair of laterally displaced eye boxes.

Abstract translation: 近眼显示器和双眼近眼显示器系统将图像的多个不同视图提供给眼箱内的不同位置，以将焦深深度暗示给予用户。 近眼显示器包括被配置为提供不同视图的基于多束衍射光栅的显示器和被配置为将不同视图中继到眼箱内的不同位置的光学系统。 该双目近眼显示系统包括一对基于多束衍射光栅的显示器和双目光学系统，该双目光学系统被配置为向对应的一对横向移位的眼睛盒提供并中继表示三维（3D）场景的立体图像对

公开(公告)号：WO2017039825A1

公开(公告)日：2017-03-09

申请号：PCT/US2016/040904

申请日：2016-07-02

Applicant: LEIA INC.

Inventor： FATTAL, David A.

IPC: G02B27/01 ,  G02B6/12 ,  G02F1/1335

CPC classification number: G02B6/0038 ,  G02B27/0172 ,  G02B2027/0138 ,  G02C7/04

Abstract: A diffractive backlight system includes a light source and a planar plate light guide. A surface of the plate light guide is configured with a diffraction grating that couples light out of the plate light guide and concentrates the light into a localized region of space. The diffractive backlight system may be used with at least one light-valve array to form a display that generates images for viewing in the localized region of space. The display may be incorporated in head-mounted displays in order to generate focused augmented or virtual reality images for wearers.

Abstract translation: 衍射背光系统包括光源和平板光导。 平板导光体的表面配置有衍射光栅，该衍射光栅将光从平板光导中耦合并将光聚集到空间的局部区域中。 衍射背光系统可以与至少一个光阀阵列一起使用以形成在空间的局部区域中产生用于观看的图像的显示器。 显示器可以并入到头戴式显示器中，以便为佩戴者产生聚焦的增强或虚拟现实图像。

公开(公告)号：WO2017039725A1

公开(公告)日：2017-03-09

申请号：PCT/US2015/056529

申请日：2015-10-20

Applicant: LEIA INC.

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

IPC: G02B27/30

CPC classification number: G02B6/0031 ,  G02B6/0038 ,  G02B6/0068 ,  G02B19/0023 ,  G02B19/0047 ,  G02B27/22 ,  G02B27/30

Abstract: Dual-direction collimation and a dual-direction optical collimator provide dual-direction collimated light at a non-zero propagation angle. The dual-direction collimator includes a vertical collimator configured to collimate light in a vertical direction and a horizontal collimator configured to collimate the vertically collimated light in a horizontal direction. The horizontal collimator is located at an output of the vertical collimator. A three-dimensional (3D) display includes the dual-direction collimator, a plate light guide and an array of multibeam diffraction gratings at a surface of the plate light guide to couple out the dual-direction collimated light guided in the plate light guide as a plurality of light beams corresponding to different 3D view of the 3D electronic display.

Abstract translation: 双向准直和双向光学准直器提供非零传播角度的双向准直光。 双向准直仪包括：垂直准直器，被配置为沿垂直方向准直光;水平准直器，被配置为沿水平方向准直垂直准直光。 水平准直仪位于垂直准直仪的输出端。 三维（3D）显示器包括双向准直器，平板光导和在平板光导的表面处的多波束衍射光栅阵列，以将在平板光导中引导的双向准直光耦合出来，作为 对应于3D电子显示器的不同3D视图的多个光束。

公开(公告)号：WO2016111709A1

公开(公告)日：2016-07-14

申请号：PCT/US2015/010935

申请日：2015-01-10

Applicant: LEIA INC.

Inventor： FATTAL, David A.

IPC: G02B6/124 ,  G02F1/13357

CPC classification number: G02B6/005 ,  G02B6/0036 ,  G02B6/124 ,  G02B27/2214 ,  G02F1/292 ,  G02F2201/305

Abstract: Diffraction grating-based backlighting having controlled diffractive coupling efficiency includes a light guide and a plurality of diffraction gratings at a surface of the light guide. The light guide is to guide light and the diffraction gratings are to couple out a portion of the guided light using diffractive coupling and to direct the coupled-out portion away from the light guide surface as a plurality of light beams at a principal angular direction. Diffraction gratings of the plurality include diffractive features having a diffractive feature modulation configured to selectively control a diffractive coupling efficiency of the diffraction gratings as a function of distance along the light guide surface.

Abstract translation: 具有受控衍射耦合效率的衍射光栅背光源包括在导光体的表面处的光导和多个衍射光栅。 光导引导光，并且衍射光栅将使用衍射耦合来耦合出导引光的一部分，并且将耦合出的部分作为多个光束在主角方向上引导远离光导表面。 多个衍射光栅包括具有衍射特征调制的衍射特征，该衍射特征被配置为根据沿着光导表面的距离来选择性地控制衍射光栅的衍射耦合效率。

公开(公告)号：WO2023027708A1

公开(公告)日：2023-03-02

申请号：PCT/US2021/047669

申请日：2021-08-26

Applicant: LEIA INC.

Inventor： FATTAL, David A. ,  CAYLIGIL, Selim

IPC: H04N13/282 ,  H04N13/239 ,  H04N13/271 ,  H04N13/296

Abstract: Systems and methods are directed to a camera system configured to capture a multiview image of an object along an arc. Each camera in the camera system may correspond to a common field of view. In addition, a computing system coupled to the camera system may calculate a target camera baseline based on a first value and a second value, and dynamically adjust an inter-camera capture distance to match the target camera baseline. The first value may indicate the common field of view and the second value may indicate a distance between the camera system and the object.

公开(公告)号：WO2021178256A1

公开(公告)日：2021-09-10

申请号：PCT/US2021/020161

申请日：2021-02-28

Applicant: LEIA INC.

Inventor： FATTAL, David A.

IPC: G02B30/30 ,  F21V8/00 ,  H04N13/31

Abstract: An animated static display, animated static display system, and method provide a plurality of static images. The animated static display includes a plurality of directional scattering elements arranged across a light guide and configured to scatter out the guided light as directional light beams having different directions corresponding to the guided light being provided by different light sources. The animated static display also includes a barrier layer having different sets of apertures configured to pass directional light beams having the different directions to provide corresponding different static images of the static image plurality. The animated static display system further includes a mode controller configured to selectively activate the different light sources to provide an animated image comprising the different static images.

公开(公告)号：WO2021050694A1

公开(公告)日：2021-03-18

申请号：PCT/US2020/050157

申请日：2020-09-10

Applicant: LEIA INC.

Inventor： FATTAL, David A. ,  HOEKMAN, Thomas ,  BUKOWSKY, Colton ,  MA, Ming

IPC: F21V8/00

Abstract: A multiview backlight, multiview display, and method multiview backlight operation include reflective multibeam elements configured to 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 including a plurality of reflective sub-elements and being 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.

公开(公告)号：WO2021040683A1

公开(公告)日：2021-03-04

申请号：PCT/US2019/048055

申请日：2019-08-25

Applicant: LEIA INC.

Inventor： FATTAL, David A. ,  MA, Ming ,  LOWNEY, Joseph D.

IPC: F21V8/00 ,  G02B6/02 ,  G02F1/13357

Abstract: A backlight scattering element, multiview display, and method of backlight scattering element operation employ a high-index light guide layer in conjunction with a light guide and diffraction grating to provide emitted light. The backlight scattering element includes a light guide that guides light as guided light and a high-index light guide layer optically connected to the light guide and configured to extend a thickness of the light guide. The backlight scattering element also includes a diffraction grating adjacent to the high-index light guide layer to diffractively scatter out a portion of the guided light as emitted light. The multiview display includes a light guide having a first layer and a second layer, a refractive index of the second layer being greater than a refractive index of the first layer. The multiview display may modulate diffractively scattered out directional light beams to provide a multiview image.

公开(公告)号：WO2020190341A1

公开(公告)日：2020-09-24

申请号：PCT/US2019/061886

申请日：2019-11-15

Applicant: LEIA INC.

Inventor： FATTAL, David A.

IPC: F21V8/00

Abstract: A dual view zone backlight and dual-mode display employ a first backlight region including a directional emitter to provide directional emitted light toward a first view zone and a second backlight region including a broad-angle emitter 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.