Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Apr 5, 2026

Printing Fabrication of Bulk Heterojunction Solar Cells and In Situ Morphology Characterization
07:32

Printing Fabrication of Bulk Heterojunction Solar Cells and In Situ Morphology Characterization

Published on: January 29, 2017

11.7K

Solvent-Substrate Interaction-Controlled Single-Step Inkjet Printing of Micro-Inlaid IOLEDs.

Wonsun Kim1, HyeRyun Jeong1, Kimin Lee1

  • 1Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea.

ACS Applied Materials & Interfaces
|April 4, 2026
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Binary-Solvent-Programmed Single-Step Inkjet Printing of Self-Confined Micro-Inlaid OLED Arrays.

Small methods·2026
Same author

Thermally Fine-Tuned NiO<sub>x</sub>-MAPbI<sub>3</sub> Interfaces Enabled by a Polymeric Surface Additive for High-Sensitivity Self-Powered Photodetectors.

Polymers·2026
Same author

Biocompatibility assessment of encapsulation materials for micro LED biomedical applications: in vivo and in vitro studies.

Biomedical engineering letters·2026
Same author

Optical assessment of genital changes associated with female sexual arousal: a mini-review.

Sexual medicine·2025
Same author

Light-Emitting Microinlaid Spots Produced through Lateral Phase Separation by Means of Simple Single-Inkjet Printing.

Small science·2025
Same author

Rapid and Efficient Polymer/Contaminant Removal from Single-Layer Graphene via Aqueous Sodium Nitrite Rinsing for Enhanced Electronic Applications.

Polymers·2025
Same journal

Polarization-State-Dependent Charge Screening in Metal-Ferroelectric-Metal Memcapacitors Enabled by an IGZO Oxygen Reservoir Layer.

ACS applied materials & interfaces·2026
Same journal

Enabling Closed-Loop Recycling of Carbon Fiber-Reinforced Composites: A Dynamic Network Strategy Based on Cardanol-Derived Amines and Lignin-Derived Carbonates.

ACS applied materials & interfaces·2026
Same journal

Unconventional Phase Shift in Spin Hall Magnetoresistance of Antiferromagnetic Insulators.

ACS applied materials & interfaces·2026
Same journal

The Evolving Landscape of Terahertz Biosensing: From Sensitivity to Precision.

ACS applied materials & interfaces·2026
Same journal

π-π Stacking Enhanced Generation of Reactive Species in Donor-Acceptor Heterojunctions for High-Efficiency Photocatalytic Degradation of Endocrine-Disrupting Compounds under Solar Light.

ACS applied materials & interfaces·2026
Same journal

Interfacial Engineering of Frustrated Lewis Pairs for Promoting Cellulose-to-Sorbitol Cascade Conversion.

ACS applied materials & interfaces·2026
See all related articles

This study introduces a novel inkjet printing method for creating high-resolution organic light-emitting diode (OLED) pixels. The technique uses controlled phase separation to directly pattern pixels, simplifying fabrication and improving efficiency.

Area of Science:

  • Materials Science
  • Organic Electronics
  • Nanotechnology

Background:

  • Inkjet printing is a scalable method for optoelectronic devices.
  • Conventional methods require complex multi-step alignment and bank structures.
  • Direct patterning of organic light-emitting diodes (OLEDs) remains challenging.

Purpose of the Study:

  • To develop a single-step inkjet printing strategy for micro-inlaid inverted OLEDs (μ-inlaid IOLEDs).
  • To enable direct fabrication of high-resolution OLED pixels on zinc oxide (ZnO) layers.
  • To overcome limitations of conventional patterning methods in OLED manufacturing.

Main Methods:

  • Utilized chloroform-based inks with semiconductor solutes deposited on poly(4-vinylpyridine) (P4VP) layers.
  • Leveraged lateral phase separation for localized P4VP removal and solute inlay.
Keywords:
Hansen solubility parameterMetal oxide interfaceMicro-inlaid IOLEDPhase separationSingle-step inkjet printingSolvent−substrate interactionTransient wetting

More Related Videos

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications
07:42

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications

Published on: January 22, 2019

11.9K
Hybrid Printing for the Fabrication of Smart Sensors
08:35

Hybrid Printing for the Fabrication of Smart Sensors

Published on: January 31, 2019

8.7K

Related Experiment Videos

Last Updated: Apr 5, 2026

Printing Fabrication of Bulk Heterojunction Solar Cells and In Situ Morphology Characterization
07:32

Printing Fabrication of Bulk Heterojunction Solar Cells and In Situ Morphology Characterization

Published on: January 29, 2017

11.7K
Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications
07:42

Inkjet Printing All Inorganic Halide Perovskite Inks for Photovoltaic Applications

Published on: January 22, 2019

11.9K
Hybrid Printing for the Fabrication of Smart Sensors
08:35

Hybrid Printing for the Fabrication of Smart Sensors

Published on: January 31, 2019

8.7K
  • Investigated interfacial dynamics, surface energy, and Hansen solubility parameters.
  • Employed Micro-Raman spectroscopy for analyzing confined emissive regions.

    • Main Results:

    • Achieved lithography-free fabrication of green-emitting μ-inlaid IOLED arrays with 250 dpi resolution.
    • Demonstrated peak external quantum efficiencies of 3.4-3.8% and current efficiencies up to 14.7 cd/A.
    • Obtained high luminance levels of 10,000-16,000 cd/m².
    • Confirmed spatially confined emissive regions and exclusion of P4VP from inlaid sites.

    Conclusions:

    • The developed strategy enables scalable fabrication of high-resolution IOLEDs by decoupling printing from equilibrium miscibility.
    • Transient wetting-controlled interfacial dynamics at oxide surfaces are key for phase-separation patterning.
    • This approach simplifies OLED pixel definition, reducing process complexity and enhancing efficiency.