7-[4-(diphenylamino)styryl]-9,9-Diethyl-N,N-Diphenyl-9H-Fluoren-2-Amine Derivatives for Blue Organic Light-Emitting Diodes

초록

Emitting materials based on 7-[4-(diphenylamino)styryl]-9,9-diethyl-N,N-diphenyl-9H-fluoren-2amine derivatives for blue fluorescent organic light-emitting diodes (OLEDs) were designed and synthesized. An organic light-emitting device using 7-[4-(diphenylamino) styryl]-9,9-diethyl-N,N-diphenyl-9H-fluoren-2-amine as a dopant and 2-methyl-9,10-di(naphthalene-2-yl)anthracene (mADN) as a host exhibited efficient electroluminescence properties with luminance and power efficiencies of 4.39 cd/A and 1.87 lm/W at 20 mA/cm(2), respectively. Commission International de L'Eclairage chromaticity coordinates of this device are (0.15, 0.18) at 7.0 V.

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