Patent · US Active

Waveguides with high index materials and methods of fabrication thereof

US11982813B2 · kind B2 · utility

0Cited by

10References

19Claims

0Family size

Assignee

Magic Leap, Inc. · US

Inventors

Vikramjit Singh · Pflugerville, US
Kang Luo · Austin, US
Michal Beau Dennison Vaughn · Round Rock, US
Samarth Bhargava · Saratoga, US
Shuqiang Yang · Austin, US
Michael Nevin Miller · Austin, US
Frank Y. Xu · Round Rock, US
Michael Anthony Klug · Austin, US
Kevin Messer · Mountain View, US
Robert D. Tekolste · Fort Lauderdale, US
Xiaopei Deng · Cedar Park, US
Xiao Li · Yardley, US

Key dates

Filing date	Mar 11, 2020
Grant date	May 14, 2024
Priority date	—
Expiry date	Oct 20, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG02B2027/0178
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Waveguides comprising materials with refractive index greater than or equal to 1.8 and methods of patterning waveguides are disclosed. Patterned waveguides comprising materials with refractive index greater than or equal to 1.8 can be incorporated in display devices, such as, for example wearable display devices to project virtual images to a viewer.

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