Light outcoupling efficiency of top-emitting organic light-emitting diodes

被引：171
|
作者：
Smith, LH [1 ]
Wasey, JAE [1 ]
Barnes, WL [1 ]
机构：
[1] Univ Exeter, Sch Phys, Exeter EX4 4QL, Devon, England
来源：
APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 16期
关键词：
D O I：
10.1063/1.1712036
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report results obtained from modeling the light outcoupling efficiency of top-emitting organic light-emitting diode (OLED) structures and compare them with results from conventional substrate-emitting structures. We investigate two types of emissive material, small molecule and conjugated polymers, and study three different cathode materials; aluminum, silver, and calcium. We show that top-emitting OLEDs may have outcoupling efficiencies comparable to their substrate-emitting counterparts, and that the choice of cathode material is critical to the optical performance of the device. (C) 2004 American Institute of Physics.
引用
收藏
页码：2986 / 2988
页数：3
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