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Related Experiment Video

Updated: Mar 21, 2026

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
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Efficient and mechanically robust stretchable organic light-emitting devices by a laser-programmable buckling

Da Yin1, Jing Feng1, Rui Ma1

  • 1State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, China.

Nature Communications
|May 18, 2016
PubMed
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Researchers developed a laser-programmable buckling process for highly stretchable organic light-emitting diodes (OLEDs). This breakthrough enhances luminous efficiency and mechanical stability for practical applications in wearable electronics.

Area of Science:

  • Materials Science
  • Electronics Engineering
  • Optoelectronics

Background:

  • Stretchable organic light-emitting diodes (OLEDs) are crucial for wearable displays and biomedical devices.
  • Current stretchable OLEDs face limitations in luminous efficiency and mechanical stability for real-world use.
  • High strain negatively impacts device structure, materials, and stretch-release control.

Purpose of the Study:

  • To overcome limitations in stretchable OLEDs.
  • To develop a highly stretchable OLED with improved efficiency and robustness.
  • To enable practical applications of stretchable electronics.

Main Methods:

  • Developed a novel laser-programmable buckling process.
  • Engineered device structure and material properties for high strain tolerance.

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  • Tested device performance under various strain levels and cycling conditions.

    • Main Results:

    • Achieved a record luminous efficiency of 70 cd/A under 70% strain.
    • Demonstrated 100% strain accommodation with minimal performance fluctuations.
    • Maintained performance over 15,000 stretch-release cycles, indicating high mechanical robustness.

    Conclusions:

    • The laser-programmable buckling process enables highly stretchable OLEDs with unprecedented performance.
    • This advancement addresses key challenges in stretchable device design and fabrication.
    • Paves the way for fully stretchable OLEDs in advanced wearable electronic devices.