Varifocal polarization sensitive diffusive display
US11016226B2 · kind B2 · utility
2Cited by
0References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2019 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Dec 13, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0185
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A variofocal display device includes an image source and a display. The image source is configured to project image light. The display includes a first optical diffuser and a second optical diffuser. The display is configured to receive the image light. The first diffuser is configured to diffuse the image light at the first optical diffuser when the image light has a first polarization, and to diffuse the image light at the second optical diffuser when the image light is configured has a second polarization different from the first polarization. A method of displaying images using a varifocal display device is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.