3 patents
Utility
Optical Elements for Reducing Visual Artifacts In Diffractive Waveguide Displays and Systems Incorporating the Same
14 Sep 23
A diffractive waveguide device includes an optical waveguide and a diffractive element optically coupled to the optical waveguide.
Steven John Robbins, Michael James Escuti, Jihwan Kim
Filed: 22 Jun 21
Utility
Optical Elements for Integrated Ir and Visible Camera for Depth Sensing and Systems Incorporating the Same
12 Aug 21
A multi-spectral optical imaging device includes a switchable element configured to be switched between first and second states, one of which alters a polarization of light, and a geometric phase element arranged to receive the light from the switchable element.
Steven John Robbins, Michael James Escuti
Filed: 12 Feb 21
Utility
Bragg liquid crystal polarization gratings
7 Dec 20
An optical element includes a plurality of stacked birefringent sublayers, such as liquid crystal sublayers, configured to alter a direction of propagation of light passing therethrough according to the Bragg condition.
Michael J. Escuti, D. Jason Kekas, Ravi K. Komanduri
Filed: 29 Jul 15
- Prev
- 1
- Next
Patents are sorted by USPTO publication date, most recent first