Brilliant Counterfeit Protection (IMAGE) Fraunhofer-Gesellschaft Caption Beside counterfeit protection, the process is also suitable for an effective quality assurance: Here outlines characterize well-bonded and poorly bonded coatings on a function sheet. Such sheets are used to manufacture OLEDs. Credit Armin Okulla/Harald Holeczek Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. 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.