Two months ago Taiwan's ITRI institute demonstrated a foldable AMOLED display - which fold both inwardly and outwardly. Last week at Touch Taiwan, ITRI demonstrated a rollable AMOLED:

In addition to the foldable OLED, ITRI showed 36 different flexible display technologies - including new materials, substrates and patterning equipment.

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Atomic Force Microscopy for next-gen OLED processesAtomic Force Microscopy for next-gen OLED processes