Liquid-crystal optical system
US12416841B2 · kind B2 · utility
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Key dates
| Filing date | Oct 5, 2022 |
| Grant date | Sep 16, 2025 |
| Priority date | — |
| Expiry date | Oct 5, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical system composed of a first electrically controllable device which has variable scattering and color by first liquid crystals stabilized in a polymeric network and first dichroic dyes and a second electrically controllable device having variable polarization by second liquid crystals and second dichroic dyes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.