Liquid crystal displays of high tilt bias angles
US5186985A · kind A · utility
25Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1991 |
| Grant date | Feb 16, 1993 |
| Priority date | — |
| Expiry date | Apr 4, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/0271
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Liquid Crystal Display Devices having alignment layers of polyimides which are characterized by pendant perfluorinated chains, preferably linear, and having more than 6 perfluorinated carbon atoms. These alignment layers are capable to provide the Liquid Crystal Display Devices with stable tilt angles of 5 or more degrees.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.