Patent 7042444 was granted and assigned to Eastman Kodak on May, 2006 by the United States Patent and Trademark Office.
An OLED display and touch screen system including a substrate; an OLED display including an array of individually addressable OLEDs formed on the substrate; and a touch screen including an OLED light emitter formed on the substrate and a light sensor formed on the substrate across the display from the light emitter, and optics located around the display above the light emitter and the light sensor for directing light emitted from the light emitter across the display to the light sensor.