Kodak has produced a long (14 minutes) introduction to OLEDs which they call "OLED from any angle". It is basically a long ad for Kodak OLED products, but it's still interesting:

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Cambridge Isotope Laboratories - Deutreated Reagents and High-Purity Gases for OLEDsCambridge Isotope Laboratories - Deutreated Reagents and High-Purity Gases for OLEDs