Revolutionary novel and efficient OLED lighting technology: The device shown here is less than 2mm thick. A metal line grid is used to make a homogeneous light output all over the plate. (Picture source: the OLLA project / M.Klop)

Revolutionary novel and efficient OLED lighting technology: The device shown here is less than 2mm thick. A metal line grid is used to make a homogeneous light output all over the plate. (Picture source: the OLLA project / M.Klop)
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