Spatial light modulator using phase-change matertals with improved fill factor
US11187891B1 · kind B1 · utility
5Cited by
12References
12Claims
0Family size
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Key dates
| Filing date | Apr 10, 2018 |
| Grant date | Nov 30, 2021 |
| Priority date | — |
| Expiry date | Dec 7, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/11
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A spatial light modulator includes a substrate, a phase change material cell on the substrate, the phase change material cell including an electrical heater on the substrate, an optical reflector layer on the electrical heater, and a phase change material layer on the optical reflector layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.