... cL: Eu2+Dy3+, compounded by high-temperature solid phase reaction, is a novel, durable, effective, and environmentally friendly material. Luminescent Mechanism ... in the dark, its luminous intensity and the maintenance time is 30 times more than traditional luminescent material.3. Safety and ... medium. That way you can stop when desired glow effect is reached. k. Use a white or light color as a background ...