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AssigneePhilips Lighting Holding B.V.
InventorsEric Cornelis Egbertus VAN GRUNSVEN, Marc Andre DE SAMBER, Egbertus Reinier JACOBS, Esther Anna Wilhelmina Gerarda JANSSEN
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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.
A water-activatable luminescent particulate material comprising particles, wherein each particle comprises a solid state light source functionally coupled with a water-activatable battery, and a water absorbing shell enclosing at least part of the water-activatable battery.
Dependencies are inferred from the claim text.