Labels:bulletin board | web site OCR: How Photoluminescence Works Problem Statement Inorganic phosphors incorporated in matrix (paints, Scenario Background plastics, acrylics, etc) Technical Absorption of UV when exposed to ambient light Background Release of Visible Light A fterglow when ambient light Product Apolications ir S extinguished Buildings High Profile Luminance decays over time Installati ions Extinction Time defined as the time to reach lumin iance Exit Signs value of 100 X limit of human perception 032 mcd/m2 Codes Standards Relevant Studies Dark Adaptation of the eye Physiological changes in the eye more sensitive after minute more sensitive after 30 minutes CPREV HEXT Backgr ound Application Installat sensi tive PREV
