Electro-optic switching devices using ferroelectric liquid crystals
US4813771A · kind A · utility
55Cited by
12References
82Claims
0Family size
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Key dates
| Filing date | Oct 15, 1987 |
| Grant date | Mar 21, 1989 |
| Priority date | — |
| Expiry date | Oct 15, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S359/90
- WIPO fieldOptics
- WIPO sectorInstruments
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.