公开(公告)号：US20180031836A1

公开(公告)日：2018-02-01

申请号：US15220649

申请日：2016-07-27

Applicant: Caterpillar Inc.

Inventor： Lonny Eric Johnson ,  Mark Michael Sheehan ,  Jacob Carl Wyss

IPC: G02B27/01 ,  G02B27/28

CPC classification number: G02B27/0172 ,  G02B27/0018 ,  G02B27/0176 ,  G02B27/281 ,  G02B2027/0134 ,  G02B2027/0156 ,  G02B2027/0178

Abstract: A pair of smart glasses having interfering light filtering includes a glasses frame defining a horizontal view path and a semi-transparent display supported on the glasses frame and positioned in the horizontal view path. A projection mechanism is supported on the glasses frame and has a projection lens positioned above the horizontal view path. The projection mechanism is configured for projecting virtual content on the semi-transparent display, with an outer surface of the projection lens facing a rear facing surface of the semi-transparent display. A semi-transparent polarized shield is supported on the glasses frame and is positioned below the horizontal view path, with an inner surface of the semi-transparent polarized shield facing the outer surface of the projection lens. The semi-transparent polarized shield positioned to filter interfering light passing through the semi-transparent polarized shield and toward the projection lens.