Liquid crystal alignment film
US5608033A · kind A · utility
14Cited by
0References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 1995 |
| Grant date | Mar 4, 1997 |
| Priority date | — |
| Expiry date | May 5, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31721
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A liquid crystal alignment film made of a polyimide which has, on its side chain, a benzene or biphenyl ring substituted by a monovalent substituent having a positive value as the .sigma.p value under Hammett's rule.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.