A new type of long persistence phosphorescent pigment

This new, state-of-the-art after glow photoluminescent pigment is a type of long decay phosphor that utilizes europium doped alkaline earth aluminate oxide. Offering > 110% of the standard samoles relative brightness, with the appearance of a powder or liquid concentrate, the UV phosphor can glow out colorful lights under the ultra-violet waves of 253.7nm and 365nm.  The glowing colors include red, yellow, blue, green, blue green aqua, purple and blends thereof.  Our photoluminescent pigments and liquid pigment concentrates can be formulated into many different kinds of resin vehicles for making luminescent paint/coating/films. The luminescent film can glow in the dark more than 12 hours after absorbing visible and/or ultra-violet light for 10-30 min., and the absorbing-emitting process is recurrent and unlimited.