Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11067724 | Fresnel-based varifocal lens assembly for VR or AR displays | John D. Perreault | 2021-07-20 |
| 11002970 | Multi-focal catadioptric head mounted display with LC switch | Yi Qin, Serge Bierhuizen | 2021-05-11 |
| 10976552 | Near-eye system having polarization waveguide | Yi Qin, Jerome T. Carollo, Xinda Hu, Serge Bierhuizen | 2021-04-13 |