Researchers at the Fraunhofer Institute in Germany are working on the next generation of OLED technology, including the ability to create displays that can become completely transparent and be turned on and off at will. Uses envisioned for the displays include OLED overlays on top of LCDs that could be used to display specific information without interfering with the main picture and automobile windshields with built-in displays that can display information as needed and turn off when not in use. Of course, what we really want is a transparent window that turns into an HD display when we flick a switch, but that may just be a little too much to ask for at this point.

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