Particulate water-activatable luminescent materials
US10107489B2 · kind B2 · utility
1Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2015 |
| Grant date | Oct 23, 2018 |
| Priority date | — |
| Expiry date | Sep 4, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention provides a water-activatable luminescent particulate material (1) comprising particles (100), wherein each particle (100) comprises a solid state light source (10) functionally coupled with a water-activatable battery (20) and a water absorbing shell (120) enclosing at least part of the water-activatable battery (20). The invention also provides a luminescent particulate material spray device comprising a container configured to host the water-activatable luminescent particulate material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.