authenticity characteristic for value documents comprising a luminescent substance, value document, security element, method for producing a value document and method for testing the authenticity of a value document containing an authenticity characteristic

摘要

authenticity feature for value documents comprising a luminescent substance, value document, security element, method for producing a value document and method for testing the authenticity of a value document containing an authenticity feature the invention relates to a printed value document having at least one authenticity characteristic in the form of a luminescent substance on the basis of host networks that are doped with one or a plurality of ions. By properly doping host networks with different ions, exchange interactions occur between ion clusters which can lead to cooperative effects.