2009-09-08
Dai Nippon Printing Co Ltd (DNP) of Japan has developed a "Shining & Speaking Poster" by combining an OLED panel, an inorganic EL panel and a panel-like speaker.
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2009-04-09
Dai Nippon Printing Co. Ltd has developed a new flexible OLED-based poster by combining a regular EL panel and organic EL panels.
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