Optical compensatory sheet comprising transparent support and optically anisotropic layer
US7078078B2 · kind B2 · utility
12Cited by
9References
3Claims
0Family size
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Key dates
| Filing date | Jan 23, 2002 |
| Grant date | Jul 18, 2006 |
| Priority date | — |
| Expiry date | May 6, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/06
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical compensatory sheet comprises a transparent support and an optically anisotropic layer. The optically anisotropic layer is formed from liquid crystal molecules and monomers having four or more double bonds. The monomers are polymerized to form a polymer in the optically anisotropic layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.