Value document
AssigneeGiesecke & Devrient GmbH
InventorsThomas Giering, Rainer Hoppe, Fritz Stahr
Life of this patent
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Abstract
The invention relates to a printed document of value having at least one authenticity feature in the form of a luminescent substance based on doped host lattices. The host lattice has a strong crystal field and is doped with at least one chromophore with the electron configuration (3d)2.
Claims43
A document of value having at least one authenticity feature in the form of a luminescent substance based on doped host lattices, characterized in that the host lattice is doped with at least one chromophore with the electron configuration (3d)2.
A security element having a carrier material and at least one luminescent substance based on doped host lattices, characterized in that the host lattice is doped with at least one chromophore with the electron configuration (3d)2.
Dependencies are inferred from the claim text.