IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
Special Section on Electronic Displays
Imparting Anti-Fingerprint Properties to Moth-Eye Films Using Fingerprint Oils Absorbing Coating Materials
Hiroki HOSHINOKentaro KUSAMATakayuki ARAI
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2025 Volume E108.C Issue 2 Pages 64-70

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Abstract

We have developed novel coating materials capable of absorbing fingerprint oils over time. When touch screens are operated with fingers, these oils adhere to the surface, rendering them visibly dirty. When finger oils adhere to anti-reflective coatings and structures, such as moth-eye films, their anti-reflective efficacy is substantially compromised. Specifically, in moth-eye films, the oils penetrate the grooves of the bell-shaped array and are difficult to remove. In this paper, we discuss our investigation into a technique for developing anti-fingerprint properties using these novel coating materials.

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© 2025 The Institute of Electronics, Information and Communication Engineers
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