Cholesteric liquid crystal optical bodies and methods of manufacture and use
US7068344B2 · kind B2 · utility
2Cited by
41References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2003 |
| Grant date | Jun 27, 2006 |
| Priority date | — |
| Expiry date | Feb 24, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2201/343
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The method of making an optical body includes coating a mixture that includes a plurality of cholesteric liquid crystal compositions, and a solvent on a substrate. Each cholesteric liquid crystal composition is different. A plurality of layers is formed on the substrate. Each layer includes a majority of one of the cholesteric liquid crystal compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.