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Hisahiro SASABE Masatoshi ISHIBA Yong-Jin PU Junji KIDO
We designed and synthesized alkoxyphenyl group containing starburst host materials 1. Using 1 as a host material, efficient phosphorescent OLEDs with the power efficiencies of 32 lm W-1 for blue, and 85 lm W-1 for green at 100 cd m-2 were developed.