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|1. (WO2018043854) AIR PURIFICATION MODULE AND MANUFACTURING METHOD THEREFOR|
|Applicants:||LG HAUSYS, LTD.
|Title:||AIR PURIFICATION MODULE AND MANUFACTURING METHOD THEREFOR|
Provided are an air purification module and a manufacturing method therefor, the air purification module comprising: a body; a visible light-emitting device disposed inside the body; and a photocatalytic filter disposed inside the body, wherein the photocatalytic filter includes a metal foam substrate having an oxygen-containing functional group on a surface thereof and a photocatalyst coating applied on a surface of the metal foam substrate, wherein the photocatalyst coating includes a visible light-active photocatalytic particle and a silica binder chemically coupled to the oxygen-containing functional group of the surface of the metal foam substrate.