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Micro multi-nozzle jet coating of organic thin film for organic light-emitting diode lighting devices
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Shin, Kwon-Yong | - |
dc.contributor.author | Kang, Mingyu | - |
dc.contributor.author | Cho, Kwan H. | - |
dc.contributor.author | Kang, Kyung-Tae | - |
dc.contributor.author | Lee, Sang-Ho | - |
dc.date.accessioned | 2022-03-21T04:11:01Z | - |
dc.date.available | 2022-03-21T04:11:01Z | - |
dc.date.issued | 2021-12-17 | - |
dc.identifier.citation | Micro and Nano Systems Letters. 2021 Dec 17;9(1):15 | - |
dc.identifier.uri | https://doi.org/10.1186/s40486-021-00137-0 | - |
dc.identifier.uri | https://hdl.handle.net/10371/177088 | - |
dc.description.abstract | Abstract
Uniform deposition across large areas of an organic layer is one of the challenges for the industrial application of solution-based organic light‐emitting diode (OLED). In this paper, we propose an organic thin film deposition method for OLED using a micro multi-nozzle jet coating process. The developed micro multi-nozzle jet head consists of eighteen nozzles (100μm diameter), a side suction line, inlets, and a nozzle protection outer hole. To demonstrate organic thin film deposition for OLED lighting device fabrication, a poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) solution was used as a hole injection layer (HIL). Thickness uniformity of the PEDOT:PSS thin film was analyzed by regulating the jetting pressure. Through single-path coating of twelve successive stable column-jet flows, PEDOT:PSS organic film of 26mm width was coated on an ITO substrate at 1m/s head speed. The PEDOT:PSS thin film of 24.25 ± 1.55nm (CV = 6.39%) thickness was obtained by the proposed coating method. For the feasibility test, OLED lighting devices with emission areas of 20mm × 20mm and 70mm × 70mm were successfully fabricated using PEDOT:PSS films deposited by a micro multi-nozzle jet coating method. | - |
dc.title | Micro multi-nozzle jet coating of organic thin film for organic light-emitting diode lighting devices | - |
dc.language.rfc3066 | en | - |
dc.rights.holder | The Author(s) | - |
dc.date.updated | 2021-12-19T04:10:54Z | - |
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