Apparatus for and method of operation of smectic liquid crystal light valve having scattering centers
US5140448A · kind A · utility
16Cited by
7References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1990 |
| Grant date | Aug 18, 1992 |
| Priority date | — |
| Expiry date | Oct 24, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/135
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid crystal light valve, comprising a layer of liquid crystal for storing image information and a photoconductor aligned with the liquid crystal and positioned in closed proximity thereto for effecting an electric field applied across the liquid crystal. Apparatus is provided for simultaneously applying an electric field across the liquid crystal and photoconductor while impinging optical image information on the photoconductor, the photoconductor and applied field combining to produce a modified electric field across the liquid crystal which impresses the image information on the photoconductor into the liquid crystal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.