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Micromachines
Special Issues
Advances in Flexible and Wearable Electronics: Devices and Systems
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Advances in Flexible and Wearable Electronics: Devices and Systems

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "A：Physics".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 928

Special Issue Editor

Dr. Eun Gyo Jeong

E-Mail Website
Guest Editor
Nano Electronics and Functional Thin Film (NEFT) Lab, Department of Electronics Engineering, Incheon National University, Incheon 22012, Republic of Korea
Interests: flexible electronics; wearable electronics; thin-film engineering; encapsulation; OLED

Special Issue Information

Dear Colleagues,

The rapid evolution of flexible and wearable electronics is enabling the development of lightweight, stretchable, and highly functional devices for diverse applications, including health monitoring, human–machine interfaces, smart textiles, and next-generation IoT systems. These advancements are driven by interdisciplinary innovations in functional materials, novel device architectures, scalable fabrication methods, circuit design, and system integration, ensuring enhanced performance, durability, and energy efficiency.

This Special Issue, "Advances in Flexible and Wearable Electronics: Devices and Systems", aims to showcase recent breakthroughs in this field. We invite original research and review articles covering flexible electronic materials, stretchable sensors, printed and hybrid electronics, low-power circuits, wireless communication, and advanced fabrication techniques. Additionally, contributions on energy harvesting, self-powered systems, encapsulation methods, and biomedical applications are highly encouraged.

By bringing together cutting-edge research from academia and industry, this Special Issue seeks to accelerate the development of next-generation flexible and wearable electronic technologies and facilitate their integration into real-world applications. We look forward to your valuable contributions.

Dr. Eun Gyo Jeong
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Micromachines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2100 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • flexible electronics
  • wearable devices
  • stretchable sensors
  • printed and hybrid electronics
  • low-power circuits and system integration
  • wireless communication for wearables
  • energy harvesting and self-powered systems
  • smart materials and nanostructures
  • biomedical applications

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

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17 pages, 4312 KiB  
Article
Study on Electrical Characteristics and ECG Signal Acquisition Performance of Fabric Electrodes Based on Organizational Structure and Wearing Pressure
by Ming Wang, Jinli Zhou and Ge Zhang
Micromachines 2025, 16(7), 821; https://doi.org/10.3390/mi16070821 - 17 Jul 2025
Viewed by 268
Abstract
Obtaining stable ECG signals under both static and dynamic conditions, while ensuring comfortable wear, is a prerequisite for fabric-electrode applications. It is necessary to study the wearing pressure of fabric electrodes as well as their organizational structure. In this study, fabric electrodes with [...] Read more.
Obtaining stable ECG signals under both static and dynamic conditions, while ensuring comfortable wear, is a prerequisite for fabric-electrode applications. It is necessary to study the wearing pressure of fabric electrodes as well as their organizational structure. In this study, fabric electrodes with different organizational structures (plain weave, twill weave, and satin weave) were prepared using silver-plated nylon conductive yarns as weft yarns and polyester yarns as warp yarns. The electrical characteristics of these structures of fabric electrodes were analyzed under different wearing pressures (2 kPa, 3 kPa, 4 kPa, and 5 kPa), and their effects on the quality of static and dynamic ECG signals acquired from human body were examined. The results showed that the contact impedance of the twill and satin weave structured electrodes with the skin was smaller and more stable than that of the plain weave structured electrodes. Furthermore, when a wearing pressure of 3–4 kPa was applied to the satin-structured electrodes, they not only provided satisfactory comfort but also collected stable static and dynamic ECG signals during daily exercise. These results can provide a reference for the application of fabric electrodes in ECG monitoring devices and an important basis for the design of intelligent ECG clothing. Full article
(This article belongs to the Special Issue Advances in Flexible and Wearable Electronics: Devices and Systems)
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Review

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33 pages, 12802 KiB  
Review
Developments and Future Directions in Stretchable Display Technology: Materials, Architectures, and Applications
by Myung Sub Lim and Eun Gyo Jeong
Micromachines 2025, 16(7), 772; https://doi.org/10.3390/mi16070772 - 30 Jun 2025
Viewed by 522
Abstract
Stretchable display technology has rapidly evolved, enabling a new generation of flexible electronics with applications ranging from wearable healthcare and smart textiles to implantable biomedical devices and soft robotics. This review systematically presents recent advances in stretchable displays, focusing on intrinsic stretchable materials, [...] Read more.
Stretchable display technology has rapidly evolved, enabling a new generation of flexible electronics with applications ranging from wearable healthcare and smart textiles to implantable biomedical devices and soft robotics. This review systematically presents recent advances in stretchable displays, focusing on intrinsic stretchable materials, wavy surface engineering, and hybrid integration strategies. The paper highlights critical breakthroughs in device architectures, energy-autonomous systems, durable encapsulation techniques, and the integration of artificial intelligence, which collectively address challenges in mechanical reliability, optical performance, and operational sustainability. Particular emphasis is placed on the development of high-resolution displays that maintain brightness and color fidelity under mechanical strain, and energy harvesting systems that facilitate self-powered operation. Durable encapsulation methods ensuring long-term stability against environmental factors such as moisture and oxygen are also examined. The fusion of stretchable electronics with AI offers transformative opportunities for intelligent sensing and adaptive human–machine interfaces. Despite significant progress, issues related to large-scale manufacturing, device miniaturization, and the trade-offs between stretchability and device performance remain. This review concludes by discussing future research directions aimed at overcoming these challenges and advancing multifunctional, robust, and scalable stretchable display systems poised to revolutionize flexible electronics applications. Full article
(This article belongs to the Special Issue Advances in Flexible and Wearable Electronics: Devices and Systems)
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