We only have a few more days left until the festivities truly kick off at CES 2012 in Las Vegas, but LG has already tipped its hand with a press release promising the “world’s largest” OLED panel for the show. We’ve seen smaller screens from LG before and it had already promised a 55-inch OLED HDTV for mid-2012, so this news is just another sign the company is ready to take its technology mainstream. LG’s tech uses white OLEDs overlaid with colors, which it claims makes for a lower error rate and clearer “ultra-definition” screen, with more colors than standard LCDs. Check after the break for one more promo pic of LG’s super skinny 5mm prototype, we’ll get a better look at it (and the inevitable competition from Korean rival Samsung) at the company’s booth January 9th.