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Single-layer colorful displays for dynamic anti-counterfeiting based on encapsulated RGB display panels

  • Yinfu Lu
  • , Dongliang Yang
  • , Xin Du
  • , Dong Wang*
  • , Yi Luan
  • , Xiangyu Jiang
  • , Lei Jiang
  • *Corresponding author for this work
  • Beihang University
  • University of Science and Technology Beijing

Research output: Contribution to journalArticlepeer-review

Abstract

For breaking down the technology barriers of three-layer cholesteric liquid crystals (CLC) such as cumbersome and time consuming, we introduce a facile method involving photolithography, etching synergistic chiral molecule diffusion technology to rapidly fabricate the single-layer colorful reflective photonic display panels. Meanwhile, the appearance of single-layer encapsulated CLC photonic displays resolved the key technical problems, such as the design of fine microstructures, the preparation of separated RGB pixels and the high accuracy colour modulation of CLC. Noteworthily, a dynamic anti-counterfeiting model was developed based on the brilliant angle-dynamically responsive reflective colors. The original CLC digital patterns can display a variety of visualization information with completely different colors and brightness under different light sources and viewing angles. These dynamically responsive messages can be personalized with various combinations of decoding modes. Therefore, the digital photoelectric devices are given the appropriate meanings, and the encrypted information can be decoded with a very high level of security.

Original languageEnglish
Article number163382
JournalChemical Engineering Journal
Volume514
DOIs
StatePublished - 15 Jun 2025

Keywords

  • Advanced anti-counterfeiting
  • Cholesteric liquid crystal
  • High accuracy diffusion
  • Release kinetics
  • Single-layer display panels

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