PHOSPHORESCENT AUTHENTICATION DEVICES, SYSTEMS, AND METHODS

原文（中国語）

A system and associated methods for authenticating an item including a substrate, the system including a phosphorescent material disposed on or in the substrate and capable of emitting radiation upon excitation by ambient electromagnetic radiation, and a photoauthentication device capable of being disposed in contact with the substrate, the photoauthentication device including a camera configured to detect or measure the emitted radiation, where, in connection with detecting or measuring the emitted radiation, the photoauthentication device is in static contact with the substrate and the camera is disposed over a portion of the phosphorescent material emitting the emitted radiation.