Related Experiment Video
Updated: Aug 6, 2026
10:33
An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
Published on: February 27, 2019
A Reflective Display Textile With Cholesteric Liquid Crystal Fibers for Bright-Light Environments
Wenjing Zhao1, Yue Liu1, Jiuzhou Liu1
1Department of Macromolecular Science, Institute of Fiber Materials and Devices, and Laboratory of Advanced Materials, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China.
Small (Weinheim an Der Bergstrasse, Germany)
|July 21, 2026
Summary
Researchers developed flexible, full-color liquid crystal textiles for bright environments. This innovative display technology offers sunlight readability and low power consumption, enabling new human-computer interactions.
Area of Science:
- Materials Science
- Display Technology
- Textile Engineering
Background:
- Display technology is evolving towards human-computer interaction, necessitating improved visibility in bright conditions and flexibility.
- Reflective displays are advantageous for outdoor use due to sunlight readability and low power consumption.
- Liquid crystals offer rich color gamut and soft-matter properties ideal for flexible displays, but integration onto fibrous substrates is challenging.
Purpose of the Study:
- To develop a stable and robust method for integrating liquid crystals onto fibrous substrates for flexible display applications.
- To create multicolor pixels on textiles that maintain performance under bright ambient light.
- To demonstrate the potential of liquid crystal textiles for practical applications like digital displays and visual camouflage.
Main Methods:
- A coaxial winding structure was employed to mitigate coating instability on curved fibrous surfaces.
- A polymer-dispersed liquid crystal system was utilized to enhance stability while preserving electric-field response.
- Multicolor pixels were fabricated by interfacing with transparent conductive fibers to create woven arrays.
Main Results:
- Achieved a contrast ratio of 2.09 under 10,000 lux ambient light, demonstrating excellent sunlight readability.
- The liquid crystal textiles exhibited excellent spatial uniformity with less than 5% contrast fluctuation.
- Demonstrated functional digital displays and visual camouflage applications, validating the platform's utility.
Conclusions:
- The developed liquid crystal textile platform offers a viable solution for high-ambient-light display applications.
- The coaxial winding and polymer-dispersed liquid crystal approach successfully addresses challenges in integrating liquid crystals onto flexible fibrous substrates.
- This technology enables versatile human-computer interaction in previously challenging bright-light environments.
