Up-conversion phosphorfor tagging and identification

Up-conversion phosphor (Anti-Stokes' luminescence) is a luminescent materials that converts invisible infrared light into different visible light for various kinds of printing application, and will not have any worse effect while mixing with any types of inks. It's can be added in plastic, paper, cloth, ceramic, glass and solution etc.

Keywords:
up-conversion phosphors, anti-stokes' luminescence, anti-counterfeiting phosphors, IR visible fluorescent pigment, upconversion phosphors, up-converting phosphors, IR up-conversion phosphor, anti-counterfeit phosphor, anti-stokes phosphor