42 Scientific and technological services and research and designer services relating thereto in the field of organic light emitting diodes (OLEDs), organic solar cells (OSCs), light emitting electrochemical cells (LEECs, LECs), organic field effect transistors, organic lasers, organic diodes, organic photodiodes and cell marking; research in the field of organic light-emitting diodes (OLEDs), organic solar cells (OSCs), light-emitting electrochemical cells (LEECs, LECs), organic field-effect transistors, organic lasers, organic diodes, organic photodiodes and cell marking; industrial analysis and research services in the field of organic light emitting diodes (OLEDs), organic solar cells (OSCs), light emitting electrochemical cells (LEECs, LECs), organic field effect transistors, organic lasers, organic diodes, organic photodiodes and cell marking; engineering, biology, chemistry and physics services in the field of organic light emitting diodes (OLEDs), organic solar cells (OSCs), light emitting electrochemical cells (LEECs, LECs), organic field effect transistors, organic lasers, organic diodes, organic photodiodes and cell marking; chemical laboratory services; chemical analysis; contract research