MaryBethP writes "We knew Pixel Qi was up to something when it pledged to give us a cheap laptop that could last 40 hours on a charge. Now we can finally see what, with the OLPC spin-off releasing some images of a prototype screen called 3qi that looks like it can combine the best of e-ink and traditional LCD displays — prototypes that will be shown in the flesh at Computex next week. The screen can work as a traditional backlit LCD when indoors, can have that backlight disabled to be perfectly visible outdoors (shown after the break), and, as its pièce de résistance, can be toggled into an energy-efficient "epaper" mode. How exactly the company is fitting these seemingly disparate slices of technology into a single 10.1-inch screen is something of a mystery, but we're guessing much will be answered next week ahead of a planned product launch by the end of the year. Color us intrigued. http://www.engadget.com/2009/05/29/pixel-qi-demonstrates-three-mode-3qi-display-merges-e-ink-with/"