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Blue top-emitting organic light-emitting devices using Alq_3 as phase shift adjustment layer 被引量：1

Blue top-emitting organic light-emitting devices using Alq_3 as phase shift adjustment layer
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摘要 Blue top-emitting organic light-emitting devices （TEOLEDs） are demonstrated by employing Alq3 as phase shift adjustment layer （PSAL） to increase the phase shift on reflection of the top electrode within a range, which also improves the light out-coupling. By adjusting the thickness of P SAL, the CIEx,y of devices, which utilize 2, 7-Di-pyrenyl-9, 9-spiro-bifluorene （DPSF） as emitting layer, changes from （0.16, 0.50） to （0.18, 0.37）. The maximnum current efficiency of 7.1 cd/A is acquired under 4.5 V with an increasing luminance of 139 cd/m^2. Compared with adjusting the total thickness of organic layer, it is more beneficial for achieving blue TEOLEDs with high efficiency.
作者 孟彦龙 谢文法 谢国华 吴丰民 赵毅 侯晶莹 刘式墉
机构地区 Institute of Microelectronics State Key Laboratory on Integrated Optoelectronics
出处 《Optoelectronics Letters》 EI 2011年第2期126-128,共3页 光电子快报（英文版）
关键词 Current density Light emission Phase shift 有机发光器件 反射相移 Alq3 调整 发射 输出耦合 操作电压 电流效率
分类号 TN312.8 [电子电信—物理电子学]
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参考文献13

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同被引文献17

  • 1王静,姜文龙,宋瑞丽,刘式墉.空穴传输层NPB中掺杂Alq3制备高性能的蓝光器件[J].光电子．激光,2006,17(7):790-793. 被引量：9
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Optoelectronics Letters
2011年 第2期

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