Unsymmetrically substituted fluorenes for non-linear optical applications
US5354511A · kind A · utility
9Cited by
3References
12Claims
0Family size
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Key dates
| Filing date | Nov 27, 1992 |
| Grant date | Oct 11, 1994 |
| Priority date | — |
| Expiry date | Nov 27, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/3617
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Compounds having non-linear optical activity of the general formula ##STR1## wherein D and A are electron donor and acceptor groups, respectively, R.sup.1 and R.sup.2 are aromatic bridging groups, X and Y are preferably groups capable of partaking in polymerization reactions are suitable for use in polymer-based light modulator devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.