Functional Surface with Moth-Eye Structure

Abstract

Moth-eye technology, which is one of the leading technologies to reduce the light reflection on the surface, has attracted attention because of its possibility of achieving excellent low reflection at low cost. Moth-eye Film, which has a structure that imitates the nano-protrusion structure formed on the surface of the moth's eyes, is used for electronic display devices that take advantage of its ultra-low reflection characteristics. In addition, various new proposals have been made for non-display applications that utilize unique surface properties. The lotus leaf effect caused by the nanostructure, that is, the antifouling film using superhydrophobicity, the antifogging film using superhydrophilicity, the 3D cell culture sheet and antibacterial sheet have been developed as applications to the bio/medical field. This paper introduces moth-eye's antifouling properties, antifogging properties, antibacterial properties, and antiviral properties that are in increasing demand due to the epidemic of COVID-19.