An interview with Marc Baldo from the Massachusetts Institute of Technology is presented. When asked about the main challenges that remained to be overcome in the organic light-emitting diode (OLED) diplays industry he refers to the OLED materials. He notes the trends within the emerging OLED products that he relates to the application of OLED to mobile phones. He shares an evaluation of the status of the developments in the organic photovoltaics (PV) industry compared to the OLED industry.