Min Cai, DOE/Ames Laboratory (IMAGE) DOE/Ames National Laboratory Caption Ames Laboratory researcher Min Cai prepares a metal-oxide OLED. Credit Ames Laboratory -- USDOE 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.