The U.S. Department of Energy (DOE) recently released the latest in a series of reports about OLED lighting technology. The new report – Round 2 Update of Stress Testing Results for Organic Light-Emitting Diode Panels and Luminaires – builds on earlier DOE studies of OLED technology by updating information about previously benchmarked OLED products in accelerated stress tests. The results indicate OLED panel performance continues to improve.
DOE stated:
DOE testing shows that the performance of OLED panels continues to improve. The panel shorting and chromaticity maintenance issues that readily occurred in early products are less likely in more-recent ones. However, additional testing is needed to determine whether these failure modes have been completely eliminated, or if their probability for occurrence has been reduced. There are still issues with OLED lighting that must be addressed for it to provide high energy efficiency across products’ lifetime – such as achieving additional gains in luminous efficacy and doing something about the increasing power required for operation as the device ages. The gains in OLED lighting performance and reliability that have been achieved are encouraging and signal the possibility for OLEDs to become significant complements to LEDs in the future. Additional research focusing on new materials with improved performance and higher reliability will help to unlock the commercial potential of this technology in indoor lighting applications.
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