Optical switch element comprising a liquid-crystalline medium
US9023238B2 · kind B2 · utility
3Cited by
13References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 4, 2011 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | May 4, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to an optical switch element, comprising a liquid-crystalline medium for the temperature-dependent regulation of radiant energy flow. The invention furthermore relates to the use of the optical switch element for the regulation of radiant energy flow between interior spaces and the environment and for the regulation of the temperature of interior spaces. The invention furthermore relates to a liquid-crystalline medium, characterized in that it comprises 5-95% of a compound of the formula (I), in particular for use in the optical switch elements according to the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.