Device for regulating the entry of light
US10655067B2 · kind B2 · utility
1Cited by
1References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2016 |
| Grant date | May 19, 2020 |
| Priority date | — |
| Expiry date | Dec 14, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/13712
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The application relates to a device for regulating the entry of light into a room, which comprises a switchable layer of specific design comprising a twisted nematic liquid-crystalline medium and a dichroic compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.