Indenofluorene-Based Blue Fluorescent Compounds and Their Application in Highly Efficient Organic Light-Emitting Diodes
作者:Kum Hee Lee、Seul Ong Kim、Sunwoo Kang、Jin Yong Lee、Kyoung Soo Yook、Jun Yeob Lee、Seung Soo Yoon
DOI:10.1002/ejoc.201200117
日期:2012.5
fluoren-7-ylethenyl)-6,6,12,12-tetraethylindeno[1,2-b]fluorene (3) as blue dopant showed a luminous efficiency of 12.2 cd A–1, a power efficiency of 6.08 lm W–1, and an external quantum efficiency of 7.84 % at 20 mA cm–1 with CIE (Commission Internationale d'Enclairage) (x, y) coordinates of (0.148, 0.241) at 8.5 V. A deep-blue OLED with CIE (x, y) coordinates of (0.153, 0.128) doped with 2-(3,5-d