At 0.3mm thick, Sony’s 2.5-inch display is the world’s first full-color OLED display. Practical applications for this technology include: televisions, computer screens, digital audio players, and even billboards. Unlike LCDs, OLEDs do not require a backlight, which means they are ultra efficient if run off battery power. Sony has yet to set a commercial release date for these displays. Video after the break. Click here for first picture in gallery.