Zinc of sulfide phosphor with photo - and electrode luminescence behavior, process for its production as well as security document, security feature, and method for the detection

摘要

The present invention relates to a zinc sulfide phosphor and a process for its production. In addition, the invention relates to a safety - or document of value, a security feature and a method for the detection. The inventive luminescent material is in the form of a electric luminophore can be excited by an electric field, as a result of electroluminescence in the blue and / or green color region of the light spectrum is emitted. The fluorescent material is, furthermore, by uv - radiation in the wavelength range between 345 nm and 370 nm can be excited, as a result of photoluminescence in the blue color region of the light spectrum is emitted from the luminous substance. The phosphor is, furthermore, by uv - radiation in the wavelength range between 310 nm and 335 nm can be excited, as a result of photoluminescence in the green color region of the light spectrum is emitted from the luminous substance.