Liquid crystal beam control device
US11703721B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Inventors
Key dates
| Filing date | Oct 4, 2018 |
| Grant date | Jul 18, 2023 |
| Priority date | — |
| Expiry date | Oct 4, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/50
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Liquid crystal light beam control devices and their manufacture are described. Beneficial aspects of beam broadening devices employed for controlled illumination and architectural purposes are presented including improving beam divergence control, improving beam broadening dynamic range control, beam divergence preconditioning, improving projected beam intensity uniformity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.