OQO announced officially the world first UMPC with a 5 inch touchscreen AM-OLED with a WVGA resolution 800x480 Pixel.

The new OQO model 2+ is the world's first PC with an embedded Organic Light-Emitting Diode (OLED) display. Benefits include dramatically increased brightness and contrast with better outdoor readability, greater range of colors, extremely wide viewing angles, faster response time, and improved battery life.

The model 2+ Active Matrix OLED display will change the way you view your computer and will help make every task you do a little more exciting. Boasting a 1,000,000 to 1 contrast ratio and color gamut up to 110% of NTSC, your photos, video, web experience, and even work documents are crisp, clear, and sharp. OLED technology does not require a backlight, therefore it offers lower power consumption and extremely fast response time of 0.01 ms. Users will also benefit from an extremely wide viewing angle.

If you want you can buy the OQO Model 2+ also with an LCD Display, so now we have some comparison LCD vs OLED!
Photo: MidMoves

OQO Model 2+ LCD vs OLED Display