54‐2: Fabrication of Ink‐jet printing Quantum‐Dots Light Emitting Diodes using Optimization of Co‐solvent Condition

2019 ◽  
Vol 50 (1) ◽  
pp. 746-749
Author(s):  
Young-Joon Han ◽  
Kyung-Tae Kang ◽  
Byeong-Kwon Ju ◽  
Kwan-Hyun Cho
Keyword(s):  
Quantum Dots ◽  
Light Emitting Diodes ◽  
Ink Jet Printing ◽  
Light Emitting ◽  
Ink Jet ◽  
Jet Printing

Self-Aligned Organic Light-Emitting Diodes with Color Changing by Ink-Jet Printing Dots

2011 ◽  
Vol 50 ◽  
pp. 01BC09 ◽  
Author(s):  
Ryu-ichi Satoh ◽  
Shigeki Naka ◽  
Miki Shibata ◽  
Hiroyuki Okada ◽  
Toyokazu Inoue ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Ink Jet Printing ◽  
Light Emitting ◽  
Organic Light ◽  
Ink Jet ◽  
Jet Printing

Self-Aligned Organic Light-Emitting Diodes with Color Changing by Ink-Jet Printing Dots

2011 ◽  
Vol 50 (1S2) ◽  
pp. 01BC09
Author(s):  
Ryu-ichi Satoh ◽  
Shigeki Naka ◽  
Miki Shibata ◽  
Hiroyuki Okada ◽  
Toyokazu Inoue ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Ink Jet Printing ◽  
Light Emitting ◽  
Organic Light ◽  
Ink Jet ◽  
Jet Printing

Ink-jet printing of doped polymers for organic light emitting devices

1998 ◽  
Vol 72 (5) ◽  
pp. 519-521 ◽  
Author(s):  
T. R. Hebner ◽  
C. C. Wu ◽  
D. Marcy ◽  
M. H. Lu ◽  
J. C. Sturm
Keyword(s):  
Ink Jet Printing ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Organic Light ◽  
Ink Jet ◽  
Doped Polymers ◽  
Jet Printing ◽  
Organic Light Emitting Devices

Full-color quantum dots active matrix display fabricated by ink-jet printing

2017 ◽  
Vol 60 (10) ◽  
pp. 1349-1355 ◽  
Author(s):  
Congbiao Jiang ◽  
Lan Mu ◽  
Jianhua Zou ◽  
Zhiwei He ◽  
Zhenji Zhong ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Ink Jet Printing ◽  
Active Matrix ◽  
Full Color ◽  
Ink Jet ◽  
Jet Printing

scholarly journals High-Resolution Patterns of Quantum Dots Formed by Electrohydrodynamic Jet Printing for Light-Emitting Diodes

Nano Letters ◽  
2015 ◽  
Vol 15 (2) ◽  
pp. 969-973 ◽  
Author(s):  
Bong Hoon Kim ◽  
M. Serdar Onses ◽  
Jong Bin Lim ◽  
Sooji Nam ◽  
Nuri Oh ◽  
...  
Keyword(s):  
Quantum Dots ◽  
High Resolution ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Electrohydrodynamic Jet Printing ◽  
Jet Printing

scholarly journals Hybrid GaN/organic microstructured light-emitting devices via ink-jet printing

2009 ◽  
Vol 17 (19) ◽  
pp. 16436 ◽  
Author(s):  
M. Wu ◽  
Z. Gong ◽  
A. J. Kuehne ◽  
A. L. Kanibolotsky ◽  
Y. J. Chen ◽  
...  
Keyword(s):  
Ink Jet Printing ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Ink Jet ◽  
Jet Printing

Ink-jet printing of polymer light-emitting devices

2002 ◽  
Author(s):  
Paul C. Duineveld ◽  
Margreet M. de Kok ◽  
Michael Buechel ◽  
Aad Sempel ◽  
Kees A. H. Mutsaers ◽  
...  
Keyword(s):  
Ink Jet Printing ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Ink Jet ◽  
Jet Printing ◽  
Polymer Light Emitting Devices

scholarly journals Sequential Improvement from Cosolvents Ink Formulation to Vacuum Annealing for Ink-Jet Printed Quantum-Dot Light-Emitting Diodes

Materials ◽  
2020 ◽  
Vol 13 (21) ◽  
pp. 4754
Author(s):  
Young Joon Han ◽  
Do Yeob Kim ◽  
Kunsik An ◽  
Kyung-Tae Kang ◽  
Byeong-Kwon Ju ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Light Emitting Diodes ◽  
Vacuum Annealing ◽  
Device Performance ◽  
Ohnesorge Number ◽  
Emission Layer ◽  
Light Emitting ◽  
Ink Jet ◽  
Jet Printing

Optimization of ink-jet printing conditions of quantum-dot (QD) ink by cosolvent process and improvement of quantum-dot light-emitting diodes (QLEDs) characteristics assisted by vacuum annealing were analyzed in this research. A cosolvent process of hexane and ortho-dichlorobenzene (oDCB) was optimized at the ratio of 1:2, and ink-jetting properties were analyzed using the Ohnesorge number based on the parameters of viscosity and surface tension. However, we found that these cosolvents systems cause an increase in the boiling point and a decrease in the vapor pressure, which influence the annealing characteristics of the QD emission layer (EML). Therefore, we investigated QLEDs’ performance depending on the annealing condition for ink-jet printed QD EML prepared using cosolvents systems of hexane and oDCB. We enhanced the quality of QD EML and device performance of QLEDs by a vacuum annealing process, which was used to prevent exposure to moisture and oxygen and to promote effective evaporation of solvent in QD EML. As a result, the characteristics of QLEDs formed using ink-jet printed QD EML annealed under vacuum environment increased luminescence (L), current efficiency (CE), external quantum efficiency (EQE), and lifetime (LT50) by 30.51%, 33.7%, 21.70%, and 181.97%, respectively, compared to QLEDs annealed under air environment.

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