Figure1 (IMAGE) Seoul National University Caption Figure1. Perovskite nanoparticle structure developed by a joint research team (Left), device efficiency (EQE)-versus-luminance curve of perovskite light-emitting diodes and image of large-area light-emitting devices (Right) Credit seoul national university 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.