Photopolymerizable liquid crystal composition, its polymer or polymer composition, and optical compensation element
US7425354B2 · kind B2 · utility
20Cited by
2References
30Claims
0Family size
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Key dates
| Filing date | Nov 19, 2004 |
| Grant date | Sep 16, 2008 |
| Priority date | — |
| Expiry date | Dec 22, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1337
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a photopolymerizable liquid crystal composition comprising at least a compound having oxiranyl as a first component and at least a compound having oxetanyl as a second component, a polymer or a polymer composition obtained from the liquid crystal composition, a film obtained from the polymer or polymer composition, and an optical compensation element using the film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.