Bistable liquid crystal twist cell
US4505548A · kind A · utility
20Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1983 |
| Grant date | Mar 19, 1985 |
| Priority date | — |
| Expiry date | Oct 12, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/139
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A bistable liquid crystal twist cell is disclosed. The cell has at least two states which are stable in the presence of a single given holding voltage. The states may be switched from one to the other by short-term variation in the magnitude of the applied voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.