Samsung's Infuse-4G is the first phone to have a Super AMOLED Plus display - and a 4.5" at that. The HSPA+ (it's not LTE, despite the 4G in the name) Android (v2.2) phone (for AT&T's network) has a 8mp camera, 1.2Ghz processor and claims to be the thinnest smartphone on AT&T.
OLED display type:
4.5" Super AMOLED Plus
