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:
Mar. 04, 2025
Filed:
Jun. 07, 2019
Konica Minolta, Inc., Tokyo, JP;
Jinichi Kasuya, Kokubunji, JP;
Kazunari Tada, Hachioji, JP;
KONICA MINOLTA, INC., Tokyo, JP;
Abstract
Provided is an optical element having particularly excellent salt water resistance and capable of exhibiting a photocatalytic effect. An optical elementis obtained by forming a multi-layer coating MC having two or more layers on a glass substrate GL that is an optically-transparent base plate. The multi-layer coating MC has at least one low-refractive-index layer L and at least one high-refractive-index layer H, and a topmost layerfarthest from the glass substrate GL is the low-refractive-index layer L. The high-refractive-index layer H adjacent to the topmost layeris a functional layercontaining, as a main component, a metal oxide having a photocatalytic function. The topmost layerhas a plurality of poresthat partially expose a surface of the functional layer