Towards highly efficient and highly transparent OLEDs: advanced considerations for emission zone coupled with capping layer design

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Strategies to achieve efficient transparent organic light-emitting diodes (TrOLEDs) are presented. The emission zone position is carefully adjusted by monitoring the optical phase change upon reflection from the top electrode, which is significant when the thickness of the capping layer changes. With the proposed design strategy, external quantum efficiency and transmittance values as high as 15% and 80% are demonstrated simultaneously. The effect of surface plasmon polariton (SPP) loss from thin metal electrodes is also taken into account to correctly describe the full scaling behavior of the efficiency of TrOLEDs over key optical design parameters.
Publisher
OPTICAL SOC AMER
Issue Date
2015-10
Language
English
Article Type
Article
Keywords

LIGHT-EMITTING-DIODES; BUFFER LAYER; PERFORMANCE; ELECTRODE; VOLTAGE; DEVICES

Citation

OPTICS EXPRESS, v.23, no.21, pp.27306 - 27314

ISSN
1094-4087
DOI
10.1364/OE.23.027306
URI
http://hdl.handle.net/10203/205745
Appears in Collection
EE-Journal Papers(저널논문)
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