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:
Sep. 15, 2026
Filed:
Sep. 08, 2021
Dexerials Corporation, Tochigi, JP;
Tomoaki Kobayashi, Shimotsuke, JP;
Zhen Huang, Shimotsuke, JP;
Katsutoshi Suzuki, Shimotsuke, JP;
Tsuguto Suzuki, Shimotsuke, JP;
Yuko Kibushi, Shimotsuke, JP;
DEXERIALS CORPORATION, Tochigi, JP;
Abstract
This optical laminateis an optical laminate including a plastic film, an adhesion layer, an optical function layerand an antifouling layerlaminated in order, in which the antifouling layeris made of a vapor-deposited film obtained by vapor deposition of an antifouling material, a film thickness of the antifouling layeris 2.5 nm or more, a water vapor transmission rate is 1.5 g/(m·1 day) or less, and a hue change ΔE value of reflected color in consideration of specular light (SCI) after contacting a sodium hydroxide aqueous solution having a liquid temperature of 55° C. and a concentration of 0.1 mol/L for four hours is less than 10.