New phosphorescent OLEDs can maintain 90% of blue light intensity for 10–14 times longer than other designs

https://techxplore.com/news/2023-12-phosphorescent-oleds-blue-intensity-longer.html

"uses full color suite of OLEDs... lifespan 10s of thousands of hours enable commercial viability... lights that meet the Department of Energy's 50,000-hour lifetime target... increase a device's battery life by 30%... nearly 100% internal quantum efficiency... brighter colors for longer periods of time with less power... sandwiching cyan material between 2 mirrors, only deepest blue persists... plasmon-exciton-polariton allows organic material to emit light very fast"

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