Can LEDs Challenge LCDs for Indoor Signage?

Indoor stand alone and video wall displays have been dominated by LCD technology having successfully vanquished CRT and Plasma display options. But now, fine pitch LED in tiled or modular formats under 2mm are in the market today and offer compelling images – even up close. Can LEDs make a chink in the LCD armor? Can OLEDs or light rejecting projection solutions gain a foothold?