OPTICAL BIOMETRIC SECURITY ELEMENT

摘要

This invention relates to an optical element for the purpose of identification and/or prevention of forgery or copying, comprising at least one layer with anisotropic optical properties, wherein the anisotropic optical properties are patterned, characterized in that the pattern represents biometric information. In addition, this invention relates to different methods for the preparation of an optical element for the purpose of identification and/or prevention of forgery or copying.