Holst Centre has expanded its sheet-to-sheet production facilities for organic light emitting diodes (OLEDs) with the purchase of a Kurt J. Lesker Super Spectros thermal evaporator. The new tool will increase throughput for hybrid solution-processed / evaporated OLEDs, speeding up testing of new process steps and materials. “In the long-term, high-volume manufacturing of OLEDs is likely to be carried out using roll-to-roll processes. However, sheet-to-sheet approaches will provide an importan...