SECURITY FEATURE AND METHOD FOR THE DETECTION THEREOF, AND SECURITY OR VALUE DOCUMENT

The invention relates to a security feature for a security and/or value document which comprises a mixture of electrically conductive field displacement elements which are electrically insulated within the security or value document, and a zinc sulfide luminophore in the form of particles, which mixture is applied to a security and/or value document by means of a printing technology. The zinc sulfide luminophore has the general chemical formula ZnS: Cux, My, Xz. Here, M represents one or more elements from a group comprising the chemical elements Co, In and Ni; X represents one or more elements from a group comprising the halides F, Cl, Br and I; 0