Grayscale patterns from binary spatial light modulators
US9175957B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Sep 20, 2013 |
| Grant date | Nov 3, 2015 |
| Priority date | — |
| Expiry date | May 30, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/254
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Brightness-by-column grayscale and spatial Σ-Δ modulation grayscale allow grayscale patterns to be produced using a binary spatial light modulator as fast as the bright/dark switching speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.