Spatial optical modulating device
US6560001B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2002 |
| Grant date | May 6, 2003 |
| Priority date | — |
| Expiry date | Mar 15, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2225/60
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A spatial light modulating device includes: an electrically-addressed type element for being addressed by electric signals representing information to be written, the electrically-addressed type element including an image display portion having a pixel structure, the electrically-addressed type element being inputted with write light; an optically-addressed type spatial light modulator including a thin film material portion and a pair of substrates, the thin film material portion being provided between the pair of substrates, the thin film material portion having an optical addressing layer and a light modulation layer which are provided one on the other, the optically-addressed type spatial light modulator being inputted with read light; and a compensation layer having a predetermined thickness and provided between the image display portion and the thin film material portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.