Universal Display and LG Display are showing a bracelet flexible Oled Display at SID-2009.

This 4-inch flexible OLED does have a QVGA resolution (320xRGBx240 pixels) and a resolution of 100ppi. The display can show off 1.67 million colors. The contrast ratio is 1.000:1 and does have a brightness of 100cd/m².

It operates at 15V and consumes about 1W of electricity.
The panel himself is only 0.3mm thick.

Source