Improved power efficiency in blue phosphorescent organic light-emitting diodes using diphenylmethyl linkage based high triplet energy hole transport materials
作者:Chil Won Lee、Jun Yeob Lee
DOI:10.1016/j.orgel.2012.11.004
日期:2013.1
Improved power efficiency in blue phosphorescent organic light-emitting diodes (PHOLEDs) was demonstrated by using new high triplet energy hole-transport materials based on the diphenylmethyl linkage. Two high triplet energy hole-transport materials with diphenylamine or ditolyamine moieties linked through a diphenylmethyl linkage, 4,4′-(diphenylmethylene)bis(N,N-diphenylaniline) (TCBPA) and 4,4′-
通过使用基于二苯甲基键合的新型高三重态能量空穴传输材料,证明了蓝色磷光有机发光二极管(PHOLED)的功率效率得到了提高。两种高三重态能量空穴传输材料,具有通过二苯基甲基键连接的二苯胺或二甲苯胺部分,4,4'-(二苯基亚甲基)双(N,N-二苯基苯胺)(TCBPA)和4,4'-(二苯基亚甲基)双(N (N-di-p-tolylaniline)合成并评估为蓝色PHOLED的空穴传输材料。TCBPA的功率效率优于标准的1,1-双[4- [N,N'-二(对甲苯基氨基)苯基]环己烷。