A follow up to the NEC L1, the 500is is another thin (11.9m) phone from NEC. The 500is has a 1.9" (176x220) 65K internal LCD display and a monochrome blue PMOLED as an external display. The 500is weights only 94grams! OLED type: Monochrome PMOLED Tags: OLED devices Mobile phones Posted: Feb 01,2006 by Ron Mertens