1. http://www.hypoled.org; http://www.hypoled.org/Documents/HYPOLED_M24PR.pdf.
2. C. Grossmannet al., “Jahrbuch 2010 Optik und Feinmechanik,”Schiele und Schön, eds., ISBN 978-3-7949-0800-4 (2010).
3. Vogelet al., “High-performance OLED-microdisplays for mobile multimedia HMD and projection applications,”NEM Summit — “Towards furte Media Internet,” Saint-Malo/France (2008). http://www.sigma-orionis.com/nemsummit.eu/Presentations/Day1/SessionsB/B2/HYP OLED.pdf.
4. High-efficiency and low-voltage p‐i‐n electrophosphorescent organic light-emitting diodes with double-emission layers
5. 52.1: Invited Paper: Highly Efficient White Top-Emission PIN OLEDs for Display and Lighting