利用三源共蒸发技术制作了双主体掺杂红色有机电致发光显示器件,研究了不同掺杂比例下,Alq3:Rubrene:DCJTB双主体掺杂系统的红色OLED器件,器件结构为ITO/HIL/NPB/Alq3:Rubrene:DCJTB/Alq3/LiF/Al,其中发光层Alq3:Rubren:DCJTB是三掺杂发光结构体系.综合研究分析了Alq3与Rubrene的掺杂比例和发光效率、色纯度之间的关系,当Rubrene的掺杂比例达到60%时,器件达到最佳效果;电压9 V时,该器件发光亮度达到3 580 cd/m2,发光效率达到4.58 cd/A,功率效率也达到1.60 lm/W,相应的色坐标为(0.65,0.35).
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