Mitsubishi installed a curved Diamond Vision OLED display at the CEATEC 2011 exhibition. This display uses 696 PMOLED modules - each 32x32mm in size. Mitsubishi says that the pixel pitch is 3mm - which means that each module's resolution is 10x10.

This is actually a very small Diamond Vision OLED installation - compared to the gigantic OLED globe installed in Tokyo's science museum - which has 10,362 panels (!) - each 96x96mm in size...

Kyulux - Hyperfluoresence OLED emittersKyulux - Hyperfluoresence OLED emitters