Patent · US Active

Gradient-index liquid crystal device with masked electrode boundary

US11803077B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

Meta Platforms Technologies, LLC · US

Inventors

Afsoon Jamali · Redmond, US
Changwon Jang · Issaquah, US
Sandro H. Pintz · Menlo Park, US

Key dates

Filing date	Feb 10, 2021
Grant date	Oct 31, 2023
Priority date	—
Expiry date	Aug 8, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG02F1/134309
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A device includes a liquid crystal (“LC”) layer having a gradient refractive index distribution. The device also includes an electrode layer coupled to the LC layer. The electrode layer includes a plurality of electrodes separated by one or more gaps masked by a light shielding material.

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