Study of the interference effects in an optical cavity for organic light-emitting diode applications

被引:10
作者
Villani, Fulvia [1 ]
Grimaldi, Immacolata Angelica [1 ]
Nenna, Giuseppe [1 ]
Del Mauro, Anna De Girolamo [1 ]
Loffredo, Fausta [1 ]
Minarini, Carla [1 ]
机构
[1] Italian Natl Agcy New Technol Energy & Sustainabl, Portici Res Ctr, I-80055 Naples, Italy
关键词
DEVICES; EFFICIENCY;
D O I
10.1364/OL.35.003333
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The interference effects generated in a bottom-emitting electroluminescent device fabricated on a polymer under-layer introduced with the aim of improving the anode roughness have been studied. The analysis of the interference fringes at different detection angles and the spatial coherence demonstrates that this phenomenon is due to multiple internal reflections that propagate in the polymer layer. This effect can be eliminated by modifying the polymer thickness and the incidence angle of the electromagnetic radiation at the anode-polymer interface. Inkjet etching technology is adopted for microcavities-shaped polymer structuring to destroy the resonator effect of the optical cavity. (C) 2010 Optical Society of America
引用
收藏
页码:3333 / 3335
页数:3
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