Improved Intrapixel Thickness Uniformity of Slot-Coated PEDOT:PSS Films for OLEDs via Dilution and Predrying Treatments

Dong-Kyun Shin,Jin-Young Lee,Gieun Kim,Jongwoon Park

IEEE Transactions on Electron Devices（2018）

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摘要

Due to capillary force, solution coating of pristine poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) solution in the presence of banks exhibits poor intrapixel thickness uniformity, shrinking the emission area of organic light-emitting diodes (OLEDs) within pixels. To enhance it, we have applied the predrying treatments (predrying under atmospheric pressure, by heat conductio...

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关键词

Organic light emitting diodes,Coatings,Solvents,Thickness measurement,Heating systems,Films,Surface morphology

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