Organic phosphors developed at the University of Michigan could one day lead to cheaper organic light-emitting diodes. Here, they glow in blue and orange when triggered by ultraviolet light. (Credit: Marcin Szczepanski, U-M College of Engineering)

Organic phosphors developed at the University of Michigan could one day lead to cheaper organic light-emitting diodes. Here, they glow in blue and orange when triggered by ultraviolet light. (Credit: Marcin Szczepanski, U-M College of Engineering)