Polymerizable liquid crystal compound, polymerizable liquid crystal composition, and polymer thereof
US9057018B2 · kind B2 · utility
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32Claims
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Key dates
| Filing date | Mar 17, 2010 |
| Grant date | Jun 16, 2015 |
| Priority date | — |
| Expiry date | Jan 30, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31971
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A compound represented by the formula (1) is provided. A polymerizable liquid crystal composition containing the compound can be controlled in birefringence and is excellent in stability of a liquid crystal phase. An anisotropic polymer excellent in uniformity of alignment is obtained by coating and polymerizing the composition on a supporting substrate. In the formula (1), at least one of Ra represents a polymerizable group, A represents a ring group, Y and Z each represent a single bond or alkylene; in which —CH2— in the alkylene may be replaced by another group, and m and n each represent an integer of from 0 to 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.