While that figure won't send your electricmeter into Whirling Dervish mode, the CEO of Toshiba says that at sizes beyond 30-inches, OLEDs consume 2 - 3 times more juice than LCDs.
In its simplest form, it lets your "smart" electricmeter talk back to the utility and record your usage by hour, so you can adjust your habits to take advantage of lower, off-peak rates.