公开(公告)号：US20210055561A1

公开(公告)日：2021-02-25

申请号：US16981364

申请日：2019-05-16

Applicant: Lumus Ltd.

Inventor： Yochay DANZIGER ,  Naamah LEVIN ,  Daniel MICHAELS

IPC: G02B27/01 ,  G02B27/00

Abstract: A display and method for providing an image to an eye of a viewer is provided. The display comprises at least two projector assemblies. Each projector assembly comprises a light-guide optical element (LOE), and an image projector arrangement for generating a partial image and being deployed to introduce the partial image into the LOE for coupling out towards the eye of the viewer. The at least two projector assemblies cooperate to display the image to the eye of the viewer with partial overlap. The display further comprises a controller associated with the image projector arrangements and configured to reduce a pixel intensity of selected pixels in a region of partial overlap between the first and second part of the image so as to enhance a perceived uniformity of the image.

公开(公告)号：US20200371311A1

公开(公告)日：2020-11-26

申请号：US16769290

申请日：2018-12-02

Applicant: Lumus Ltd.

Inventor： Lilya LOBACHINSKY ,  Naamah LEVIN ,  Aviv FROMMER

IPC: G02B7/18 ,  G02B7/00

Abstract: In one method, a display source aligned with an illumination prism assembly is displaced along a displacement axis to adjust the distance between the display source and a collimating prism assembly. The display source, the illumination prism assembly, and an illumination module are translationally moved in unison in a plane normal to the displacement axis. In another method, a component of an optical device is coupled to a mechanical assembly at a known orientation. The mechanical assembly has a test pattern at a known orientation. An image sensor is aligned with the test pattern, and the image sensor captures an image of the test pattern. The captured image is analyzed to determine an estimated orientation of the test pattern. An orientation parameter of the image sensor is adjusted based on a comparison between the known orientation of the test pattern and the estimated orientation of the test pattern.

公开(公告)号：US20200249481A1

公开(公告)日：2020-08-06

申请号：US16652087

申请日：2018-09-23

Applicant: Lumus Ltd.

Inventor： Yochay DANZIGER ,  Naamah LEVIN ,  Elad SHARLIN ,  Alexander CHAYET

IPC: G02B27/01 ,  F21V8/00 ,  G02B27/28

Abstract: A display has an image projector projecting collimated image illumination along a projection direction, and an optical element having two major surfaces and containing partially reflective surfaces which are internal to the optical element, planar, mutually parallel and overlapping relative to the projection direction. Each ray of the collimated image illumination enters the optical element and is partially reflected by at least two of the partially reflective surfaces so as to be redirected to exit the first major surface along a viewing direction. An alternative implementation, a first reflection from one of the partially reflective surfaces redirects part of the image illumination rays so as to undergo total internal reflection at the major surfaces of the optical element. The rays are then redirected by further reflection from another of the partially reflective surfaces to exit the optical element along the viewing direction.