Thin film (IMAGE) ARC Centre of Excellence in Exciton Science Caption The thin film with emitter solution added and encapsulated upconverts lower energy red light to higher energy yellow light Credit Exciton Science Usage Restrictions For use with this story only 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.