The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 14, 2023
Filed:
May. 03, 2022
Rockwell Collins, Inc., Cedar Rapids, IA (US);
Digilens Inc., Sunnyvale, CA (US);
Robert D. Brown, Lake Oswego, OR (US);
Alastair John Grant, San Jose, CA (US);
Wyatt L. Hendrick, Encinitas, CA (US);
Milan Momcilo Popovich, Leicester, GB;
James H. Stanley, Palo Alto, CA (US);
Jonathan David Waldern, Los Altos Hills, CA (US);
Rockwell Collins, Inc., Cedar Rapids, IA (US);
Digilens Inc., Sunnyvale, CA (US);
Abstract
One embodiment provides an apparatus for displaying an image comprising: a first optical substrate comprising at least one waveguide layer configured to propagate light in a first direction, wherein the at least one waveguide layer of the first optical substrate comprises at least one grating lamina configured to extract the light from the first substrate along the first direction; and a second optical substrate comprising at least one waveguide layer configured to propagate the light in a second direction, wherein the at least one waveguide layer of the second optical substrate comprises at least one grating lumina configured to extract light from the second substrate along the second direction, wherein the at least one grating lamina of at least one of the first and second optical substrates comprises an SBG in a passive mode.