Waveguide illumination of a spatial light modulator
US11709363B1 · kind B1 · utility
2Cited by
15References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 10, 2021 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Feb 10, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0178
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A system comprising a waveguide including an in-coupler and an out-coupler, and a digital micromirror device (DMD) to receive the light from the waveguide via the out-coupler, and to direct modulated light through the waveguide, the modulated light passing through the waveguide before being directed toward a user's eye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.