The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2020
Filed:
Mar. 28, 2018
Fujifilm Corporation, Tokyo, JP;
Hiroki Takahashi, Saitama, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
A hydrophilic multilayer film is provided on a substrate, the hydrophilic multilayer film having a multilayer film layer in which at least two kinds of layers having different refractive indices are laminated in order from the substrate side such that at least one or more of each kind of layer are laminated; and a hydrophilic thin film layer provided on the surface of the multilayer film layer. The multilayer film layer has one or more photocatalyst layers, and one layer of the photocatalyst layers is provided adjacently to the hydrophilic thin film layer. The hydrophilic thin film layer has a columnar structure having gaps extending between the top surface of the hydrophilic multilayer film and the face adjacent to the photocatalyst layer, and one or more of the photocatalyst layers included in the multilayer film layer has an oblique columnar structure including gaps oblique to the thickness direction.