High-resolution electrohydrodynamic jet printing of small-molecule organic light-emitting diodes

Kukjoo Kim; Gyeomuk Kim; Bo Ram Lee; Sangyoon Ji; So Yun Kim; Byeong Wan An; Myoung Hoon Song; Jang Ung Park

doi:10.1039/c5nr03034j

High-resolution electrohydrodynamic jet printing of small-molecule organic light-emitting diodes

Kukjoo Kim, Gyeomuk Kim, Bo Ram Lee, Sangyoon Ji, So Yun Kim, Byeong Wan An, Myoung Hoon Song, Jang Ung Park

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

112 Citations (Scopus)

Abstract

The development of alternative organic light-emitting diode (OLED) fabrication technologies for high-definition and low-cost displays is an important research topic as conventional fine metal mask-assisted vacuum evaporation has reached its limit to reduce pixel sizes and manufacturing costs. Here, we report an electrohydrodynamic jet (e-jet) printing method to fabricate small-molecule OLED pixels with high resolution (pixel width of 5 μm), which significantly exceeds the resolutions of conventional inkjet or commercial OLED display pixels. In addition, we print small-molecule emitting materials which provide a significant advantage in terms of device efficiency and lifetime compared to those with polymers.

Original language	English
Pages (from-to)	13410-13415
Number of pages	6
Journal	Nanoscale
Volume	7
Issue number	32
DOIs	https://doi.org/10.1039/c5nr03034j
Publication status	Published - 2015 Aug 28

Bibliographical note

Publisher Copyright:
© The Royal Society of Chemistry.

All Science Journal Classification (ASJC) codes

Materials Science(all)

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10.1039/c5nr03034j

Cite this

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abstract = "The development of alternative organic light-emitting diode (OLED) fabrication technologies for high-definition and low-cost displays is an important research topic as conventional fine metal mask-assisted vacuum evaporation has reached its limit to reduce pixel sizes and manufacturing costs. Here, we report an electrohydrodynamic jet (e-jet) printing method to fabricate small-molecule OLED pixels with high resolution (pixel width of 5 μm), which significantly exceeds the resolutions of conventional inkjet or commercial OLED display pixels. In addition, we print small-molecule emitting materials which provide a significant advantage in terms of device efficiency and lifetime compared to those with polymers.",

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AU - Kim, So Yun

AU - An, Byeong Wan

AU - Song, Myoung Hoon

AU - Park, Jang Ung

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AB - The development of alternative organic light-emitting diode (OLED) fabrication technologies for high-definition and low-cost displays is an important research topic as conventional fine metal mask-assisted vacuum evaporation has reached its limit to reduce pixel sizes and manufacturing costs. Here, we report an electrohydrodynamic jet (e-jet) printing method to fabricate small-molecule OLED pixels with high resolution (pixel width of 5 μm), which significantly exceeds the resolutions of conventional inkjet or commercial OLED display pixels. In addition, we print small-molecule emitting materials which provide a significant advantage in terms of device efficiency and lifetime compared to those with polymers.

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High-resolution electrohydrodynamic jet printing of small-molecule organic light-emitting diodes

Abstract

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