USTC Observes Anomalously Bright Single-molecule Upconversion Electroluminescence Phenomenon (IMAGE) University of Science and Technology of China Caption Tuning driving voltages for anomalously bright UCEL Credit USTC Usage Restrictions none License Original 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.