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<p>Lights could soon use the full color suite of perfectly efficient organic light-emitting diodes, or OLEDs, that last tens of thousands of hours, thanks to an innovation from physicists and engineers at the University of Michigan.</p> <p>The U-M team&#39;s new phosphorescent OLEDs, commonly referred to as PHOLEDs, can maintain 90% of the blue light intensity for 10-14 times longer than other designs that emit similar deep blue colors. That kind of lifespan could finally make blue PHOLEDs hardy enough to be commercially viable in lights that meet the Department of Energy&#39;s 50,000-hour lifetime target. Without a stable blue PHOLED, OLED lights need to use less-efficient technology to create white light.</p> <p>&nbsp;</p>

United statesClaire arnesonHaonan zhaoStephen forrestNicole casal mooreDerek smithPaulg goebelUniversity of michiganUs department of energyDepartment of energyMethod of researchDistinguished university professorComputer engineeringUniversal display corpUniversal display