Poly(2,6-piperazinedione) alignment layer for liquid crystal displays
US5520845A · kind A · utility
5Cited by
4References
15Claims
0Family size
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Key dates
| Filing date | Dec 2, 1993 |
| Grant date | May 28, 1996 |
| Priority date | — |
| Expiry date | Dec 2, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31721
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A poly(2,6-piperazinedione) liquid crystal alignment film providing high voltage holding ratio and high tilt angle when used in active matrix and super twisted nematic liquid crystal displays.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.