全色显示是有机电致发光显示(OLED)器件发展的目标,而高性能蓝色发光器件,也是目前有机电致发光显示研究的热点.以NPB和Alq3分别作为空穴传输层和电子传输层,制作了结构为ITO/CuPc(150 nm)/NPB(500 nm)/ADN(300 nm):TBPe(30 nm)/Alq3 (350 nm)/RbF(20 nm)/Al(1 000 nm)的蓝光OLED器件,发光亮度达8 600 cd/m2,发光效率达2.669 cd/A,色坐标(X=0.131 5,Y=0.180 9).研究发现ADN:TBPe发光层体系的引入大大改善了蓝光器件的发光效率和性能.
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