According to a recent article, Nokia has reported shortage in AMOLED displays. This is not surprising as we know that Samsung (the only AMOLED maker) cannot meet customer demand, and Nokia has AMOLED displays in several new models (the N8, E7, C6 and the C7).

Nokia E7

Kyulux - Hyperfluoresence OLED emittersKyulux - Hyperfluoresence OLED emitters