“NPJ Flex. Electron.” has developed a low-power, wearable, flexible tactile display based on aerosol jet printing technology.

In fields such as smart wearables, virtual reality, and robotic interaction, haptic display technology is playing an increasingly vital role. However, conventional haptic displays often face numerous challenges—high costs, bulky form factors, substantial power consumption, and complex integration—which severely limit their applicability in portable, flexible devices. Recently, an innovative study has successfully developed a low-voltage, wearable haptic display based on the “thermo‑pneumatic” principle, opening up new possibilities for future intelligent haptic interfaces. This article will provide a detailed explanation of the key technology behind it: the central role of aerosol jet printing (AJP) in its fabrication.

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