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Flexible Double-Sided Light-Emitting Devices Based on Transparent Embedded Interdigital Electrodes.

Bangbang Nie1, Xiangming Li1, Chunhui Wang1

  • 1Micro- and Nano-technology Research Center, State Key Laboratory for Manufacturing Systems Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China.

ACS Applied Materials & Interfaces
|August 14, 2020
PubMed
Summary
This summary is machine-generated.

Researchers developed flexible, double-sided light-emitting devices using transparent electrodes and ZnS/Cu phosphor. These programmable films offer customizable patterns for next-gen flexible displays and wearable technology.

Keywords:
double-sided light-emitting devicesemission intensityexcellent flexibilitythe emitting layerstransparent interdigital electrodes

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Area of Science:

  • Materials Science
  • Optoelectronics
  • Flexible Electronics

Background:

  • Double-sided light-emitting devices are crucial for flexible displays and wearable technology.
  • Existing technologies face limitations in flexibility and programmability for advanced applications.

Purpose of the Study:

  • To develop novel flexible, double-sided light-emitting devices with enhanced programmability.
  • To explore the use of transparent interdigital electrodes and composite emitting layers for improved device performance.

Main Methods:

  • Fabrication of transparent interdigital electrodes using multiwalled carbon nanotubes via doctor-blading.
  • Creation of composite emitting layers by mixing copper-doped zinc sulfide (ZnS/Cu) phosphor with polydimethylsiloxane.
  • Integration of electrodes and emitting layers to form flexible, double-sided light-emitting devices.

Main Results:

  • The fabricated devices exhibit excellent flexibility, maintaining function even when crimped.
  • Tunable double-sided emission intensity achieved by adjusting electrode structure and emitting layer thickness.
  • Successful programming of diverse patterns, including digital, grayscale, and intricate designs.

Conclusions:

  • The novel flexible, double-sided light-emitting films offer a promising platform for customized flexible displays.
  • This technology advances the development of next-generation wearable devices and electronic displays.
  • The programmable nature and flexibility open new avenues for innovative electronic applications.