Fig. 2 (IMAGE) Osaka University Caption Graph showing the acceleration of phosphorescence and its impact on the efficiency. Orange diamonds are thienyl diketones and blue dots are previous molecules. kp represents the phosphorescence rate. Increase of kp enables the improve of efficiency. Credit Osaka University Usage Restrictions No restrictions 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.