Patent · US Active

Optical relay for compact head up display

US7690799B2 · kind B2 · utility

221Cited by

1References

15Claims

0Family size

Assignee

Microvision, Inc. · US

Inventors

Nenad Nestorovic · Seattle, US
Joel Hegland · Pullman, US

Key dates

Filing date	Aug 26, 2008
Grant date	Apr 6, 2010
Priority date	—
Expiry date	Aug 26, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG02B2027/0118
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Briefly, in accordance with one or more embodiments, an optical relay for a head up display, the optical relay comprises a glare trap having angularly selectivity by being capable of reflecting light having an angle of incidence greater than a first angle, and being capable of transmitting light having an angle of incidence less than a second angle, and a first optic arranged to receive light reflected off the glare trap at an angle of incidence greater than the first angle, and to direct light through the glare trap at an angle of incidence less than the second angle to exit the glare trap.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.