Audi, Philips, Automotive Lighting, Merck and the University of Cologne successfully concluded an OLED research project (called OLED 3D), and developed the world's first large-area 3D OLED car rear lighting panels and installed a prototype on an Audi TT.
A 3D OLED means that the OLEDs have a curved surface - not just in one direction. These are glass based panels. It's not flexible glass (like Corning's Willow glass), it's the regular glass Philips are using in their regular OLEDs, but curved. The material used (made by Merck) are soluble, and the production process is described as "web printing" by Philips (I'm not sure what is meant by that).
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