Charge Diffusion in the Transport Region of an OLED (image) American Institute of Physics Share Print E-Mail Caption This image shows charge diffusion in the transport region of an OLED. Credit Thuc-Quyen Nguyen/UCSB Usage Restrictions This image may be used only with appropriate caption and credit. Share Print E-Mail 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.