Liquid crystal composition and retardation film
US8568839B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2009 |
| Grant date | Oct 29, 2013 |
| Priority date | — |
| Expiry date | Jul 28, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a liquid crystal composition comprising two or more species of liquid crystal compounds respectively having a polymerizable group, at least one species of which being a compound represented by formula (I) below, having a content of the compound of from 20% to 80% relative to the total mass of said two or more species of liquid crystal compounds. In formula (I), P1 represents a polymerizable group; each of L1 and L2 represents a divalent spacer group; each of Z1 to Z4 represents a divalent linking group; each of A1 and A2 represents a divalent cyclic group; each of m and n represents an integer from 0 to 3; MA represents any one group of A-I to A-V below:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.