Optical deflector device
US5831711A · kind A · utility
0Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1995 |
| Grant date | Nov 3, 1998 |
| Priority date | — |
| Expiry date | Nov 7, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/22
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical deflector device includes a VGM cell including a film of a nematic liquid crystal material which generates a distribution of spatial frequencies when subjected to an electric field. A film thickness setting unit sets a thickness distribution of the film in the VGM cell in accordance with a film thickness distribution defined by a predetermined function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.