Stretchable High‐Resolution User‐Interactive Synesthesia Displays for Visual–Acoustic Encryption

Author:

Yoo Jisu1ORCID,Ha Subin1,Lee Gwang Heon2,Kim Yaewon2,Choi Moon Kee123ORCID

Affiliation:

1. Department of Materials Science and Engineering Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea

2. Graduate School of Semiconductor Materials and Devices Engineering Center for Future Semiconductor Technology (FUST) Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea

3. Center for Nanoparticle Research Institute for Basic Science (IBS) Seoul 08826 Republic of Korea

Abstract

AbstractMultifunctional displays, which have various functions in single‐device systems without external circuits, are actively investigated as future human–machine interfaces owing to performability of unprecedented functions in compact design. However, their application is limited to visualize the mechanical/electrical signals in light. Herein, stretchable high‐resolution multicolor synesthesia display, which can generate synchronized sound and light as input/output sources, is presented by transfer‐printing. Transfer‐printed emissive composite leads to display with enhanced optical performance and fine sound pressure level. Owing to inherent stretchability of the device, the synesthesia display can stably operate under static and dynamic deformation without distortion in sound relative to the input waveform. User‐interactive synesthesia displays are demonstrated for visual−acoustic encryption, which facilitate advanced encryption, as well as multiplex quick response code that bridges multiple domains with a single device. This approach provides new directions for multifunctional displays, with potential applications in reinforced authentication.

Funder

National Research Foundation of Korea

Publisher

Wiley

Subject

Electrochemistry,Condensed Matter Physics,Biomaterials,Electronic, Optical and Magnetic Materials

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