公开(公告)号：US20220035089A1

公开(公告)日：2022-02-03

申请号：US17299349

申请日：2019-11-29

Applicant: ELBIT SYSTEMS LTD.

Inventor： Yosef ARAZI ,  Amitay RUDNICK ,  Assaf LEVY-BEERI ,  Olga RESNIK ,  Dror OSKAR

IPC: F21V8/00 ,  G02F1/1362

Abstract: Aspects of embodiments pertain to a display illumination optics for illuminating an image display device of an image generation apparatus, the display illumination optics comprising: a source illumination distributor that includes an illumination waveguide having a front surface and a back surface opposite the front surface and configured to internally direct light along a main direction, wherein the illumination waveguide is configured to distribute the luminance of input illumination light along the main direction of the display illumination optics to obtain, along the main direction, output illumination light of desired luminance.