White PLED (1 of 2) (IMAGE) Georgia Institute of Technology Caption This is a white polymer light-emitting diode fabricated at the University of Groningen. Devices such as this suffer losses from charge traps in the materials. Credit Image: Herman Nicolai, University of Groningen Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.