Enhancement of output of optically pumped phosphor by use of surface nanostructures
US10871644B2 · kind B2 · utility
1Cited by
2References
16Claims
0Family size
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Key dates
| Filing date | Aug 16, 2019 |
| Grant date | Dec 22, 2020 |
| Priority date | — |
| Expiry date | Aug 16, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B33/08
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Phosphor elements comprising phosphors in a host material having a phosphorescence-emitting surface with surface nanostructures are disclosed. Phosphor wheels having such phosphor elements, methods of making such phosphor elements, and methods of using such phosphor elements are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.