Liquid crystal orientation film and process for making the same
US5173342A · kind A · utility
13Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1990 |
| Grant date | Dec 22, 1992 |
| Priority date | — |
| Expiry date | Sep 20, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/023
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid crystal orientation film comprises a support film formed on a substrate, and an orientation-control film formed on and chemically coupled with the support film. The orientation-control film has a trifluoromethyl group and is in direct contact with a liquid crystal in a liquid crystal display device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.