Smart photochromic chiral nematic liquid crystal window
US9063358B2 · kind B2 · utility
2Cited by
1References
34Claims
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Key dates
| Filing date | Feb 25, 2011 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Sep 19, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/14
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A multi-functional photochromic chiral nematic liquid crystal window comprises at least a photochromic chiral nematic liquid crystal layer. The windows are able to not only to darken in color upon exposure to sunlight irradiation but also control the light and the heat passing through them, which can be used as the windows of buildings, vehicles, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.