High-power-efficiency and ultra-long-lifetime white OLEDs empowered by robust blue multi-resonance TADF emitters

https://www.eurekalert.org/news-releases/1075210

"white OLEDs: flexible, energy efficient, eye-protective, but unstable blue emitters/ inefficient use of triplet excitons... overcome integrating blue MR-TADF emitters with rigid π-conjugated core skeleton blue component in emitting layer with red component... optimized exciton recombination zone, stablized white light emission, achieving 34.4% maximum external quantum efficiency, 101.8 lm/W power efficiency, 761 hours at 1000 cd/m² LT90 luminance lifetime... enables mass commercialization... lighting and display"