Patent · US Active

Waveguide grating device

US10527797B2 · kind B2 · utility

51Cited by

903References

19Claims

0Family size

Assignees

DigiLens Inc. · US
Rockwell Collins, Inc. · US

Inventors

Jonathan David Waldern · Diablo, US
Alastair John Grant · San Jose, US
Milan Momcilo Popovich · Leicester, GB
James H. Stanley · Palo Alto, US
Robert D. Brown · Lake Oswego, US

Key dates

Filing date	Nov 1, 2018
Grant date	Jan 7, 2020
Priority date	—
Expiry date	Nov 1, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG02B2027/0125
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An optical waveguide comprises at least two TIR surface and contains a grating. Input TIR light with a first angular range along a first propagation direction undergoes at least two diffractions at the grating. Each diffraction directs light into a unique TIR angular range along a second propagation direction.

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