<p>Wearable electronic devices are gaining popularity, with textiles serving as a highly flexible platform. Organic electronic devices, known for their ultra-thin and flexible properties, are also attracting attention. This study presents a reliable fabrication method for textile-based organic light-emitting diodes (OLEDs) using a parylene-C planarization layer. The process creates a smooth surface with sub-nanometer roughness through a simple transfer and thermal annealing, forming a self-supporting planarization layer without immersion in water or chemicals. The parylene-C film enhances crystallinity and stiffness, ensuring mechanical stability. The fabricated OLEDs operate reliably under extreme deformations such as bending and wrinkling. Additionally, a 3×3 textile-based OLED array was demonstrated for display applications, and a scarf-based OLED verified its potential in fashion. This approach highlights the seamless integration of advanced electronics into textiles, offering promising applications across industries and marking a significant advancement in wearable display technology.</p>

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Advanced textile-based OLEDs utilizing parylene-C planarization for enhanced flexibility and stability in true wearing displays

  • Ha-Eun Cho,
  • Myeong Ji Kim,
  • Jaehyeock Chang,
  • Jingi An,
  • Yunha Na,
  • Seungyeop Choi,
  • So Yeong Jeong,
  • Kyung Cheol Choi

摘要

Wearable electronic devices are gaining popularity, with textiles serving as a highly flexible platform. Organic electronic devices, known for their ultra-thin and flexible properties, are also attracting attention. This study presents a reliable fabrication method for textile-based organic light-emitting diodes (OLEDs) using a parylene-C planarization layer. The process creates a smooth surface with sub-nanometer roughness through a simple transfer and thermal annealing, forming a self-supporting planarization layer without immersion in water or chemicals. The parylene-C film enhances crystallinity and stiffness, ensuring mechanical stability. The fabricated OLEDs operate reliably under extreme deformations such as bending and wrinkling. Additionally, a 3×3 textile-based OLED array was demonstrated for display applications, and a scarf-based OLED verified its potential in fashion. This approach highlights the seamless integration of advanced electronics into textiles, offering promising applications across industries and marking a significant advancement in wearable display technology.