Diphenylaminoarylvinyl-Substituted Diphenylanthracenes for Organic Light-Emitting Diodes
Two blue fluorescent materials based on diphenylaminoarylvinyl-substituted diphenylanthracene have been synthesized. Multilayered organic light-emitting diodes (OLED) with the following sequence; ITO/NPB (50 nm)/Blue materials (30 nm)/Bphen (30 nm)/Liq (2 nm)/Al (100 nm) were fabricated
using these materials as emitters. Two devices exhibited blue electroluminescence. Particularly, a device using 6-(4-(10-phenylanthracen-9-yl)styryl)-N,N-diphenylnaphthalen-2-amine (2) exhibited blue emission with a luminance efficiency, a power efficiency, an external quantum
efficiency and CIE coordinates of 5.69 cd/A, 1.99 lm/W, 3.39% at 100 mA/cm2 and (x = 0.19, y =0.31) at 8.0 V, respectively.
Keywords: Blue OLED; Diphenylaminostyrene; Diphenylanthracene; Fluorescence
Document Type: Research Article
Affiliations: 1: Department of Chemistry, Sungkyunkwan University, Suwon, Kyeonggi-do, 440-736, Korea 2: Department of Information Display, Hongik University, Seoul, 121-691, Korea
Publication date: 01 February 2019
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