荧光
串联
磷光
电致发光
有机发光二极管
量子效率
光电子学
材料科学
光学
物理
纳米技术
图层(电子)
复合材料
作者
Liang-Sheng Liao,Xiaofan Ren,William J. Begley,Yuan‐Sheng Tyan,Cynthia A. Pellow
摘要
Abstract Tandem white OLEDs with fluorescent and phosphorescent emission have been fabricated. Their electroluminescence performance is dependent on fluorescent blue‐emitting portion in a white spectrum. When CIEx = 0.33, CIEy = 0.35, the devices can achieve 22% external quantum efficiency, 50 cd/A, 25 lm/W, and ∼10,000 h lifetime, tested at 6.2 V and 1000 nits. If the blue‐emitting portion is reduced to produce color with CIEx = 0.34, CIEy = 0.40, the devices can exhibit ∼23% external quantum efficiency, 57 cd/A, 30 lm/W, and ∼30,000 h lifetime when tested at 5.9 V and 1000 nits.
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